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标题: ASTM B 8 - 11 (2017) [打印本页]

作者: zzcnhic 时间: 2017-6-18 09:31:06 标题: ASTM B 8 - 11 (2017)

ASTM B8 − 11 (Reapproved 2017) Standard Specification for Concentric-Lay-Stranded Copper Conductors, Hard, Medium-Hard, or Soft
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作者: admin 时间: 2017-6-20 12:05:17

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