美利体育登录入口官网:DIN EN ISO 15875-3/A2 E:2020-12
草案 冷热水装置用塑料管道系统 交联聚乙烯(PE-X) 第3部分:配件 修订 2 (ISO 15875-3:2003/DAM 2:2020) 德文和英文版本 EN ISO 15875-3:2003/prA2:2020
Draft Document - Plastics piping systems for hot and cold water installations - Crosslinked polyethylene (PE-X) - Part 3: Fittings - AMENDMENT 2 (ISO 15875-3:2003/DAM 2:2020); German and English version EN ISO 15875-3:2003/prA2:2020