hgundas 发表于 2020-5-15 18:41:28

BS EN 13165:2012 Thermal insulation products for buildings




BS EN 13165:2012
Thermal insulation products for buildings
— Factory made rigid polyurethane foam (PU) products
— Specification

admin 发表于 2020-5-20 06:47:00

谢谢您的分享，金币已奖励!

shenshusong 发表于 2020-5-22 15:55:10

感谢分享，以后经常打卡，多多分享，学无止境。
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