killer007 发表于 2017-11-16 17:47:56

BS EN 1514-2-2014 Flanges and their joints — Gaskets for PN-designated flanges

BS EN 1514-2-2014 Flanges and their joints — Gaskets for PN-designated flanges — Part 2：Spiral wound gaskets for use with steel flanges




admin 发表于 2017-11-17 11:07:37

谢谢您的分享，金币已奖励!

moolea 发表于 2021-7-14 15:56:32

谢谢分享！谢谢分享！

zhzhyun021707 发表于 2023-4-23 12:56:28

谢谢您的分享,金币已奖励!
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