标题: BS EN 1514-1-1997 Flanges and their joints — Dimensions of gaskets for PN-desi [打印本页] 作者: killer007 时间: 2017-11-16 17:47:34 标题: BS EN 1514-1-1997 Flanges and their joints — Dimensions of gaskets for PN-desi
BS EN 1514-1-1997 Flanges and their joints — Dimensions of gaskets for PN-designated flanges — Part 1： Non-metallic flat gaskets with or without inserts
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