h202226 发表于 2017-7-30 22:32:26

BS EN ISO 00636-2015

BS EN ISO 00636-2015
Wel di ng consumabl es —
Rods, wires and deposits for
tungsten inert gas welding of
non-alloy and fine-grain steels
— Classification


admin 发表于 2017-8-1 11:22:27

谢谢您的分享,金币已奖励!
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