wuyoujiao2010 发表于 2018-2-11 17:28:50

求EN 15037-4+A1-2013

求EN 15037-4+A1-2013,多谢!

shukesan 发表于 2018-2-12 04:31:20

BS EN 15037 Precast concrete products — Beam-and-block floor systems
http://bbs.infoeach.com/forum.php?mod=viewthread&tid=187966&fromuid=128592

wuyoujiao2010 发表于 2018-2-12 15:48:58

感谢楼上先生分享好资料!
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