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标题: ASTM B281 - 88 [打印本页]

作者: upriw 时间: 2020-8-12 13:36:45 标题: ASTM B281 - 88

ASTM B281 - 88(2019)e1
Standard Practice for Preparation of Copper and Copper-Base Alloys for Electroplating and Conversion Coatings

(88 = year of original adoption
e1 = indicates editorial change)

作者: lotus999 时间: 2020-8-12 13:36:46

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