DIN 8074:2023-10 聚乙烯 (PE) 管 PE 80、PE 100 尺寸；文本为德语和英语Polyethylene (PE) pipes - P

匿名 发表于 2023-12-21 22:51:54 |阅读模式

DIN 8074:2023-10 聚乙烯 (PE) 管 PE 80、PE 100 尺寸；文本为德语和英语Polyethylene (PE) pipes - PE 80, PE 100 - Dimensions; Text in German and English

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