killer007 发表于 2017-11-16 17:48:14

BS EN 1514-3-1997 Flanges and their joints — Dimensions of gaskets for PN-desi

BS EN 1514-3-1997 Flanges and their joints — Dimensions of gaskets for PN-designated flanges — Part 3：Non-metallic PTFE envelope gaskets




admin 发表于 2017-11-17 11:07:40

谢谢您的分享，金币已奖励!
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