binyew 发表于 2017-2-16 08:20:27

IEC 60893-3-3-2012 Insulating materials

IEC 60893-3-3-2012 Insulating materials – Industrial rigid laminated sheets based on thermosetting resins for electrical purposes –Part 3-3 ：Specifications for individual materials – Requirements for rigid laminated sheets based on melamine resins

admin 发表于 2017-2-18 08:28:39


谢谢您的分享,金币已奖励!

ygs67 发表于 2017-2-18 09:16:47

多谢分享！                       
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