标题: BS EN 12560-3 2001 Flanges and their joints — Gaskets for Class-designated fla [打印本页] 作者: killer007 时间: 2017-11-16 17:27:04 标题: BS EN 12560-3 2001 Flanges and their joints — Gaskets for Class-designated fla
BS EN 12560-3 2001 Flanges and their joints — Gaskets for Class-designated flanges — Part 3： Non-metallic PTFE envelope gaskets
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