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标题: ASTM G165 − 99 (Reapproved 2012) [打印本页]

作者: zzcnhic 时间: 2017-7-8 00:27:02 标题: ASTM G165 − 99 (Reapproved 2012)

[attach]139325[/attach]ASTM G165 − 99 (Reapproved 2012)
Standard Practice for
Determining Rail-to-Earth Resistance

作者: admin 时间: 2017-7-9 14:17:14

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