supretao 发表于 2017-8-21 09:31:33

应助：IEC 60664-3-2016 Insulation coordination for equipment


IEC 60664-3
Edition 3.0
2016-11
Insulation coordination for equipment within low-voltage systems –  Part 3: Use of coating, potting or moulding for protection against pollution





ygs67 发表于 2017-8-21 09:35:29

多谢分享！                        

admin 发表于 2017-8-21 22:40:02


谢谢您的分享,金币已奖励!

asimilar 发表于 2023-2-20 10:18:40

:L 刚注册，没这些金币呀
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