upriw 发表于 2020-3-20 09:30:39

IEC 61191-2:2017

IEC 61191-2:2017
Printed board assemblies - Part 2: Sectional specification - Requirements for surface mount soldered assemblies

shukesan 发表于 2020-3-20 09:30:40

IEC 61191 Printed board assemblies  印刷板组件
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