标题: BS EN 1514-3-1997 Flanges and their joints — Dimensions of gaskets for PN-desi [打印本页] 作者: killer007 时间: 2017-11-16 17:48:14 标题: 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
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