cc523pate 发表于 2018-12-27 22:57:58

ISO 4709-2017 Composition cork — Gasket material — Classification system, re

ISO 4709-2017 Composition cork — Gasket material — Classification system, requirements, sampling, packing and marking

ygs67 发表于 2019-1-2 17:44:53

多谢分享！                              

admin 发表于 2019-1-3 11:02:35

谢谢您的分享,金币已奖励!
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