DIN CEN ISO/TS 22391-7-2012 冷热水装置用塑料管道系统.耐升温的聚乙烯(PE-RT).第7部分:一致性评定指南(ISO/TS 22391-7-2011).德文版本 CEN ISO/TS 22391-7-2011
Plastics piping systems for hot and cold water installations - Polyethylene of raised temperature resistance (PE-RT) - Part 7: Guidance for the assessment of conformity (ISO/TS 22391-7:2011); German version CEN ISO/TS 22391-7:2011