求EN 15389-2008英文版,多谢!
求EN 15389-2008英文版,多谢!BS EN 15389:2008 Industrial valves — Performance characteristics of thermoplastic valves when used as construction products
http://bbs.infoeach.com/forum.php?mod=viewthread&tid=190815&fromuid=128592 感谢楼上先生的无私奉献!
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