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DIN CEN ISO/TS 22391-7-2012

热水和冷水装置用塑料管道系统 耐热聚乙烯(PE-RT) 第7部分:合格评定指南

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

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