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DIN CEN ISO/TS 21003-7*DIN SPEC 19851:2019-09

Действует
Multilayer piping systems for hot and cold water installations inside buildings - Part 7: Guidance for the assessment of conformity (ISO/TS 21003-7:2019); German and English version CEN ISO/TS 21003-7:2019
DIN CEN ISO/TS 21003-7*DIN SPEC 19851:2019-09
Действует