cc523pate 发表于 2017-2-4 22:03:14

BS EN ISO 3581:2016 Welding consumables — Covered electrodes for manualmetal

BS EN ISO 3581:2016 Welding consumables — Covered electrodes for manualmetal arc welding of stainlessand heat-resisting steels — Classification (ISO 3581:2016)


gbt8163 发表于 2017-2-5 09:18:01

多谢楼主分享如此好资料

admin 发表于 2017-2-8 18:30:33

谢谢您的分享,金币已奖励!
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