hgundas 发表于 2019-10-15 00:54:42

DIN 8078:2008-09



DIN 8078:2008-09
Polypropylene (PP) pipes - PP-H, PP-B, PP-R, PP-RCT - General quality requirements and testing

admin 发表于 2019-10-24 09:32:18

谢谢您的分享,金币已奖励!

mengran98 发表于 2021-1-5 10:08:45

谢谢分享，金币已付。:)
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