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[国外标准] ASTM B 63-2007 Standard Test Method for Resistivity of Metallically Conducting Resistance and Contact Materials

hhxhdl

P:2007-11-16 10:45:17

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求标准<ASTM  B63 金属导体电阻与接触材料的电阻率的测试方法>

中英文版均可,谢谢!

 

heavy-duty - 重载；重型(的) （0） 投诉

绿野仙踪

P:2007-11-16 10:53:12

2

ASTM B63-2007 Standard Test Method for Resistivity of Metallically Conducting Resistance and Contact Materials

ASTM B 63-2007 Standard Test Method for Resistivity of Metallically Conducting Resistance and Contact Materials.pdf

cladding loss - 包层损耗 （0） 投诉

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