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      <title><![CDATA[ASTM B124B124M-06 铜和铜合金锻制线材、棒材和型材规格Standard Specification for Copper and Copper Alloy Forging Rod, Bar, and Shapes]]></title>
      <description><![CDATA[ ASTM B124B124M-06 铜和铜合金锻制线材、棒材和型材规格Standard Specification for Copper and Copper Alloy Forging Rod, Bar, and Shapes ]]></description>
      <link>http://www.gbwang.com/download/media/2009-05-10/158964413.html</link>
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      <author><![CDATA[]]></author>
      <pubDate>Sat, 09 May 2009 18:28:34 +0000</pubDate>
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    <item>
      <title><![CDATA[ASTM B393-05 铌和铌合金带材、薄板及中厚板Standard Specification for Niobium and Niobium Alloy Strip, Sheet, and Plate]]></title>
      <description><![CDATA[ ASTM B393-05 铌和铌合金带材、薄板及中厚板Standard Specification for Niobium and Niobium Alloy Strip, Sheet, and Plate ]]></description>
      <link>http://www.gbwang.com/download/media/2009-05-10/94311528.html</link>
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      <author><![CDATA[]]></author>
      <pubDate>Sat, 09 May 2009 18:28:34 +0000</pubDate>
    </item>
    <item>
      <title><![CDATA[ASTM B871-01]]></title>
      <description><![CDATA[ ASTM B871-01 ]]></description>
      <link>http://www.gbwang.com/download/media/2009-05-10/162339427.html</link>
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      <author><![CDATA[]]></author>
      <pubDate>Sat, 09 May 2009 18:28:34 +0000</pubDate>
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    <item>
      <title><![CDATA[BS 1490-1988  Specification for aluminium and aluminium alloy ingots and castings for general engineering purposes]]></title>
      <description><![CDATA[ BS 1490-1988  Specification for aluminium and aluminium alloy ingots and castings for general engineering purposes ]]></description>
      <link>http://www.gbwang.com/download/media/2009-05-10/127302944.html</link>
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      <category>有色金属</category>
      <author><![CDATA[]]></author>
      <pubDate>Sat, 09 May 2009 18:28:34 +0000</pubDate>
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    <item>
      <title><![CDATA[BS EN 12163-1998 Copper and copper alloys. Rod for general purposes]]></title>
      <description><![CDATA[ BS EN 12163-1998 Copper and copper alloys. Rod for general purposes ]]></description>
      <link>http://www.gbwang.com/download/media/2009-05-10/119318899.html</link>
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      <category>有色金属</category>
      <author><![CDATA[]]></author>
      <pubDate>Sat, 09 May 2009 18:28:34 +0000</pubDate>
    </item>
    <item>
      <title><![CDATA[BS EN 12167-1998 铜及铜合金　一般用途的型材和扁棒材]]></title>
      <description><![CDATA[ BS EN 12167-1998 铜及铜合金　一般用途的型材和扁棒材 ]]></description>
      <link>http://www.gbwang.com/download/media/2009-05-10/139852415.html</link>
      <guid>http://www.gbwang.com/download/media/2009-05-10/139852415.html</guid>
      <category>有色金属</category>
      <author><![CDATA[]]></author>
      <pubDate>Sat, 09 May 2009 18:28:34 +0000</pubDate>
    </item>
    <item>
      <title><![CDATA[BS EN 12548-1999 铅及铅合金.电缆护套和套筒用铅合金锭]]></title>
      <description><![CDATA[ BS EN 12548-1999 铅及铅合金.电缆护套和套筒用铅合金锭 ]]></description>
      <link>http://www.gbwang.com/download/media/2009-05-10/27112120.html</link>
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      <category>有色金属</category>
      <author><![CDATA[]]></author>
      <pubDate>Sat, 09 May 2009 18:28:34 +0000</pubDate>
    </item>
    <item>
      <title><![CDATA[BS EN 12844-1999  Zinc and zinc alloys. Castings. Specifications]]></title>
      <description><![CDATA[ BS EN 12844-1999  Zinc and zinc alloys. Castings. Specifications ]]></description>
      <link>http://www.gbwang.com/download/media/2009-05-10/113541259.html</link>
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      <category>有色金属</category>
      <author><![CDATA[]]></author>
      <pubDate>Sat, 09 May 2009 18:28:34 +0000</pubDate>
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    <item>
      <title><![CDATA[BS EN 13601-2002 铜和铜合金.一般电气用的铜杆、铜棒和铜丝]]></title>
      <description><![CDATA[ BS EN 13601-2002 铜和铜合金.一般电气用的铜杆、铜棒和铜丝 ]]></description>
      <link>http://www.gbwang.com/download/media/2009-05-10/164231876.html</link>
      <guid>http://www.gbwang.com/download/media/2009-05-10/164231876.html</guid>
      <category>有色金属</category>
      <author><![CDATA[]]></author>
      <pubDate>Sat, 09 May 2009 18:28:34 +0000</pubDate>
    </item>
    <item>
      <title><![CDATA[BS EN 13602-2002 铜和铜合金 用于制造导电体的拉制圆铜线]]></title>
      <description><![CDATA[ BS EN 13602-2002 铜和铜合金 用于制造导电体的拉制圆铜线 ]]></description>
      <link>http://www.gbwang.com/download/media/2009-05-10/114788357.html</link>
      <guid>http://www.gbwang.com/download/media/2009-05-10/114788357.html</guid>
      <category>有色金属</category>
      <author><![CDATA[]]></author>
      <pubDate>Sat, 09 May 2009 18:28:34 +0000</pubDate>
    </item>
    <item>
      <title><![CDATA[BS EN 1774-1998 铸造锌合金 Zinc and zinc alloys. Alloys for foundry purposes. Ingot and liquid]]></title>
      <description><![CDATA[ BS EN 1774-1998 铸造锌合金 Zinc and zinc alloys. Alloys for foundry purposes. Ingot and liquid ]]></description>
      <link>http://www.gbwang.com/download/media/2009-05-10/54583165.html</link>
      <guid>http://www.gbwang.com/download/media/2009-05-10/54583165.html</guid>
      <category>有色金属</category>
      <author><![CDATA[]]></author>
      <pubDate>Sat, 09 May 2009 18:28:34 +0000</pubDate>
    </item>
    <item>
      <title><![CDATA[BS EN 485-1-1994 铝和铝合金.片材、带材和板材.检验和交货的技术条件]]></title>
      <description><![CDATA[ BS EN 485-1-1994 铝和铝合金.片材、带材和板材.检验和交货的技术条件 ]]></description>
      <link>http://www.gbwang.com/download/media/2009-05-10/116244758.html</link>
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      <category>有色金属</category>
      <author><![CDATA[]]></author>
      <pubDate>Sat, 09 May 2009 18:28:34 +0000</pubDate>
    </item>
    <item>
      <title><![CDATA[BS EN 485-2-2007 锻铝和铝合金.片材、带材和板材.第2部分机械性能]]></title>
      <description><![CDATA[ BS EN 485-2-2007 锻铝和铝合金.片材、带材和板材.第2部分机械性能 ]]></description>
      <link>http://www.gbwang.com/download/media/2009-05-10/146353895.html</link>
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      <category>有色金属</category>
      <author><![CDATA[]]></author>
      <pubDate>Sat, 09 May 2009 18:28:34 +0000</pubDate>
    </item>
    <item>
      <title><![CDATA[BS EN 485-3-2003 铝和铝合金.片材、带材和板材.热轧制品的形状和尺寸公差]]></title>
      <description><![CDATA[ BS EN 485-3-2003 铝和铝合金.片材、带材和板材.热轧制品的形状和尺寸公差 ]]></description>
      <link>http://www.gbwang.com/download/media/2009-05-10/103956916.html</link>
      <guid>http://www.gbwang.com/download/media/2009-05-10/103956916.html</guid>
      <category>有色金属</category>
      <author><![CDATA[]]></author>
      <pubDate>Sat, 09 May 2009 18:28:34 +0000</pubDate>
    </item>
    <item>
      <title><![CDATA[BS EN 485-4-1994 铝和铝合金.片材、带材和板材.冷轧制品的形状和尺寸公差]]></title>
      <description><![CDATA[ BS EN 485-4-1994 铝和铝合金.片材、带材和板材.冷轧制品的形状和尺寸公差 ]]></description>
      <link>http://www.gbwang.com/download/media/2009-05-10/61682031.html</link>
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      <category>有色金属</category>
      <author><![CDATA[]]></author>
      <pubDate>Sat, 09 May 2009 18:28:34 +0000</pubDate>
    </item>
    <item>
      <title><![CDATA[BS EN ISO 14577-1-2002]]></title>
      <description><![CDATA[ BS EN ISO 14577-1-2002 ]]></description>
      <link>http://www.gbwang.com/download/media/2009-05-10/41645611.html</link>
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      <category>有色金属</category>
      <author><![CDATA[]]></author>
      <pubDate>Sat, 09 May 2009 18:28:34 +0000</pubDate>
    </item>
    <item>
      <title><![CDATA[BS EN ISO 14577-2-2002]]></title>
      <description><![CDATA[ BS EN ISO 14577-2-2002 ]]></description>
      <link>http://www.gbwang.com/download/media/2009-05-10/132661978.html</link>
      <guid>http://www.gbwang.com/download/media/2009-05-10/132661978.html</guid>
      <category>有色金属</category>
      <author><![CDATA[]]></author>
      <pubDate>Sat, 09 May 2009 18:28:34 +0000</pubDate>
    </item>
    <item>
      <title><![CDATA[BS EN ISO 14577-3-2002]]></title>
      <description><![CDATA[ BS EN ISO 14577-3-2002 ]]></description>
      <link>http://www.gbwang.com/download/media/2009-05-10/120753498.html</link>
      <guid>http://www.gbwang.com/download/media/2009-05-10/120753498.html</guid>
      <category>有色金属</category>
      <author><![CDATA[]]></author>
      <pubDate>Sat, 09 May 2009 18:28:34 +0000</pubDate>
    </item>
    <item>
      <title><![CDATA[BS EN ISO 14577-4-2007]]></title>
      <description><![CDATA[ BS EN ISO 14577-4-2007 ]]></description>
      <link>http://www.gbwang.com/download/media/2009-05-10/79664664.html</link>
      <guid>http://www.gbwang.com/download/media/2009-05-10/79664664.html</guid>
      <category>有色金属</category>
      <author><![CDATA[]]></author>
      <pubDate>Sat, 09 May 2009 18:28:34 +0000</pubDate>
    </item>
    <item>
      <title><![CDATA[DIN 17656-1973 铸造铜合金]]></title>
      <description><![CDATA[ DIN 17656-1973 铸造铜合金 ]]></description>
      <link>http://www.gbwang.com/download/media/2009-05-10/153186772.html</link>
      <guid>http://www.gbwang.com/download/media/2009-05-10/153186772.html</guid>
      <category>有色金属</category>
      <author><![CDATA[]]></author>
      <pubDate>Sat, 09 May 2009 18:28:34 +0000</pubDate>
    </item>
    <item>
      <title><![CDATA[DIN 17660黄铜标准]]></title>
      <description><![CDATA[ DIN 17660黄铜标准 ]]></description>
      <link>http://www.gbwang.com/download/media/2009-05-10/118690989.html</link>
      <guid>http://www.gbwang.com/download/media/2009-05-10/118690989.html</guid>
      <category>有色金属</category>
      <author><![CDATA[]]></author>
      <pubDate>Sat, 09 May 2009 18:28:34 +0000</pubDate>
    </item>
    <item>
      <title><![CDATA[DIN 28051-1997 中文版 金属材料构件的有机涂层和衬里 金属构件的结构造型]]></title>
      <description><![CDATA[ DIN 28051-1997 中文版 金属材料构件的有机涂层和衬里 金属构件的结构造型 ]]></description>
      <link>http://www.gbwang.com/download/media/2009-05-10/107131348.html</link>
      <guid>http://www.gbwang.com/download/media/2009-05-10/107131348.html</guid>
      <category>有色金属</category>
      <author><![CDATA[]]></author>
      <pubDate>Sat, 09 May 2009 18:28:34 +0000</pubDate>
    </item>
    <item>
      <title><![CDATA[DIN EN 1706-1998 铝和铝合金.铸件.化学成份和机械性能Aluminium and aluminium alloys - Castings - Chemical composition and mechanical properties]]></title>
      <description><![CDATA[ DIN EN 1706-1998 铝和铝合金.铸件.化学成份和机械性能Aluminium and aluminium alloys - Castings - Chemical composition and mechanical properties ]]></description>
      <link>http://www.gbwang.com/download/media/2009-05-10/68344850.html</link>
      <guid>http://www.gbwang.com/download/media/2009-05-10/68344850.html</guid>
      <category>有色金属</category>
      <author><![CDATA[]]></author>
      <pubDate>Sat, 09 May 2009 18:28:34 +0000</pubDate>
    </item>
    <item>
      <title><![CDATA[DIN EN 1780-1-2003铝和铝合金.合金化的铝锭、预合金及铸件的命名.第1部分数字命名系统]]></title>
      <description><![CDATA[ DIN EN 1780-1-2003铝和铝合金.合金化的铝锭、预合金及铸件的命名.第1部分数字命名系统 ]]></description>
      <link>http://www.gbwang.com/download/media/2009-05-10/71331781.html</link>
      <guid>http://www.gbwang.com/download/media/2009-05-10/71331781.html</guid>
      <category>有色金属</category>
      <author><![CDATA[]]></author>
      <pubDate>Sat, 09 May 2009 18:28:34 +0000</pubDate>
    </item>
    <item>
      <title><![CDATA[DIN EN 1780-2-2003铝和铝合金.合金化的铝锭、预合金及铸件的命名.第2部分以化学符号为基础的命名系统]]></title>
      <description><![CDATA[ DIN EN 1780-2-2003铝和铝合金.合金化的铝锭、预合金及铸件的命名.第2部分以化学符号为基础的命名系统 ]]></description>
      <link>http://www.gbwang.com/download/media/2009-05-10/28533638.html</link>
      <guid>http://www.gbwang.com/download/media/2009-05-10/28533638.html</guid>
      <category>有色金属</category>
      <author><![CDATA[]]></author>
      <pubDate>Sat, 09 May 2009 18:28:34 +0000</pubDate>
    </item>
    <item>
      <title><![CDATA[DIN EN 1780-3-2003铝和铝合金.合金化的铝锭、预合金及铸件的命名.第3部分化学成份的书写规则]]></title>
      <description><![CDATA[ DIN EN 1780-3-2003铝和铝合金.合金化的铝锭、预合金及铸件的命名.第3部分化学成份的书写规则 ]]></description>
      <link>http://www.gbwang.com/download/media/2009-05-10/76485872.html</link>
      <guid>http://www.gbwang.com/download/media/2009-05-10/76485872.html</guid>
      <category>有色金属</category>
      <author><![CDATA[]]></author>
      <pubDate>Sat, 09 May 2009 18:28:34 +0000</pubDate>
    </item>
    <item>
      <title><![CDATA[DIN EN 1982-1998 铜及铜合金-纯锭铸造]]></title>
      <description><![CDATA[ DIN EN 1982-1998 铜及铜合金-纯锭铸造 ]]></description>
      <link>http://www.gbwang.com/download/media/2009-05-10/58978532.html</link>
      <guid>http://www.gbwang.com/download/media/2009-05-10/58978532.html</guid>
      <category>有色金属</category>
      <author><![CDATA[]]></author>
      <pubDate>Sat, 09 May 2009 18:28:34 +0000</pubDate>
    </item>
    <item>
      <title><![CDATA[DIN EN 4102-2006]]></title>
      <description><![CDATA[ DIN EN 4102-2006 ]]></description>
      <link>http://www.gbwang.com/download/media/2009-05-10/59523592.html</link>
      <guid>http://www.gbwang.com/download/media/2009-05-10/59523592.html</guid>
      <category>有色金属</category>
      <author><![CDATA[]]></author>
      <pubDate>Sat, 09 May 2009 18:28:34 +0000</pubDate>
    </item>
    <item>
      <title><![CDATA[DIN ISO 5755-2004-11金属烧结需求Sintermetalle Anforderungen（德文）]]></title>
      <description><![CDATA[ DIN ISO 5755-2004-11金属烧结需求Sintermetalle Anforderungen（德文） ]]></description>
      <link>http://www.gbwang.com/download/media/2009-05-10/143493418.html</link>
      <guid>http://www.gbwang.com/download/media/2009-05-10/143493418.html</guid>
      <category>有色金属</category>
      <author><![CDATA[]]></author>
      <pubDate>Sat, 09 May 2009 18:28:34 +0000</pubDate>
    </item>
    <item>
      <title><![CDATA[GB 10131-1988 铌锰铁合金]]></title>
      <description><![CDATA[ GB 10131-1988 铌锰铁合金 ]]></description>
      <link>http://www.gbwang.com/download/media/2009-05-10/113654631.html</link>
      <guid>http://www.gbwang.com/download/media/2009-05-10/113654631.html</guid>
      <category>有色金属</category>
      <author><![CDATA[]]></author>
      <pubDate>Sat, 09 May 2009 18:28:34 +0000</pubDate>
    </item>
    <item>
      <title><![CDATA[GB 11094-1989 水平法砷化镓单晶及切割片]]></title>
      <description><![CDATA[ GB 11094-1989 水平法砷化镓单晶及切割片 ]]></description>
      <link>http://www.gbwang.com/download/media/2009-05-10/154263812.html</link>
      <guid>http://www.gbwang.com/download/media/2009-05-10/154263812.html</guid>
      <category>有色金属</category>
      <author><![CDATA[]]></author>
      <pubDate>Sat, 09 May 2009 18:28:34 +0000</pubDate>
    </item>
    <item>
      <title><![CDATA[GB 12600-2005 金属覆盖层 塑料上镍 铬电镀层]]></title>
      <description><![CDATA[ GB 12600-2005 金属覆盖层 塑料上镍 铬电镀层 ]]></description>
      <link>http://www.gbwang.com/download/media/2009-05-10/23994375.html</link>
      <guid>http://www.gbwang.com/download/media/2009-05-10/23994375.html</guid>
      <category>有色金属</category>
      <author><![CDATA[]]></author>
      <pubDate>Sat, 09 May 2009 18:28:34 +0000</pubDate>
    </item>
    <item>
      <title><![CDATA[GB 2041-1989 黄铜板]]></title>
      <description><![CDATA[ GB 2041-1989 黄铜板 ]]></description>
      <link>http://www.gbwang.com/download/media/2009-05-10/101894408.html</link>
      <guid>http://www.gbwang.com/download/media/2009-05-10/101894408.html</guid>
      <category>有色金属</category>
      <author><![CDATA[]]></author>
      <pubDate>Sat, 09 May 2009 18:28:34 +0000</pubDate>
    </item>
    <item>
      <title><![CDATA[GB 2042-1989 复杂黄铜板]]></title>
      <description><![CDATA[ GB 2042-1989 复杂黄铜板 ]]></description>
      <link>http://www.gbwang.com/download/media/2009-05-10/89148715.html</link>
      <guid>http://www.gbwang.com/download/media/2009-05-10/89148715.html</guid>
      <category>有色金属</category>
      <author><![CDATA[]]></author>
      <pubDate>Sat, 09 May 2009 18:28:34 +0000</pubDate>
    </item>
    <item>
      <title><![CDATA[GB 2043-1989 铝青铜板]]></title>
      <description><![CDATA[ GB 2043-1989 铝青铜板 ]]></description>
      <link>http://www.gbwang.com/download/media/2009-05-10/99688003.html</link>
      <guid>http://www.gbwang.com/download/media/2009-05-10/99688003.html</guid>
      <category>有色金属</category>
      <author><![CDATA[]]></author>
      <pubDate>Sat, 09 May 2009 18:28:34 +0000</pubDate>
    </item>
    <item>
      <title><![CDATA[GB 21347-2008 镁冶炼企业单位产品能源消耗限额]]></title>
      <description><![CDATA[ GB 21347-2008 镁冶炼企业单位产品能源消耗限额 ]]></description>
      <link>http://www.gbwang.com/download/media/2009-05-10/85302769.html</link>
      <guid>http://www.gbwang.com/download/media/2009-05-10/85302769.html</guid>
      <category>有色金属</category>
      <author><![CDATA[]]></author>
      <pubDate>Sat, 09 May 2009 18:28:34 +0000</pubDate>
    </item>
    <item>
      <title><![CDATA[GB 8183-1987 铌无缝管]]></title>
      <description><![CDATA[ GB 8183-1987 铌无缝管 ]]></description>
      <link>http://www.gbwang.com/download/media/2009-05-10/42155787.html</link>
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      <pubDate>Sat, 09 May 2009 18:28:34 +0000</pubDate>
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