标题: EN 14772-2005 Flanges and their joints — Quality assurance inspection and tes [打印本页] 作者: killer007 时间: 2017-11-16 17:24:29 标题: EN 14772-2005 Flanges and their joints — Quality assurance inspection and tes
EN 14772-2005 Flanges and their joints — Quality assurance inspection and testing of gaskets in accordance with the series of standards EN 1514 and EN 12560
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