shukesan 发表于 2018-2-13 08:30:01

BS EN 771-2011+A1-2016 Specification for masonry units

EN 771, Specification for masonry units consists of: — Part 1: Clay masonry units
— Part 2: Calcium silicate masonry units
— Part 3: Aggregate concrete masonry units (Dense and light weight aggregates)
— Part 4: Autoclaved aerated concrete masonry units
— Part 5: Manufactured stone masonry units
— Part 6: Natural stone masonry units

admin 发表于 2018-2-13 16:45:14

谢谢您的分享，金币已奖励!

wuyoujiao2010 发表于 2018-2-27 11:07:01

感谢楼主分享好资料！
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