论坛首页 › ISO 国际标准 › ISO 8179-1-2017 Ductile iron pipes, fittings, accessories and their joints — E

cc523pate 发表于 2020-12-7 21:24:26

ISO 8179-1-2017 Ductile iron pipes, fittings, accessories and their joints — E

ISO 8179-1-2017 Ductile iron pipes, fittings, accessories and their joints — External zinc-based coating — Part 1: Metallic zinc with finishing layer

admin 发表于 2020-12-10 11:33:51

谢谢您的分享,金币已奖励!

草地飞龙 发表于 2021-2-20 13:00:54

资料很好，感谢楼主，感谢论坛！！！

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