cc523pate 发表于 2017-11-20 19:32:09

BS EN 1253-5-2017 Gullies for buildings — Part 5: Gullies with light liquids

本帖最后由 cc523pate 于 2017-11-20 19:33 编辑

BS EN 1253-5-2017 Gullies for buildings — Part 5: Gullies with light liquids closure


admin 发表于 2017-11-20 20:06:20


谢谢您的分享，金币已奖励!
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