itjetk 发表于 2019-11-22 09:15:39

ASTM B615-79(2017)

ASTM B615-79(2017) Standard Practice for Measuring Electrical Contact Noise in Sliding Electrical Contacts


shukesan 发表于 2019-11-22 09:15:40

ASTM B477,539,541,542,576,596,615,617,628,667,693,742,854,878Electrical Contact
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