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ONR CEN/TS 13476-4:2020-08

Действует
Plastics piping systems for non-pressure underground drainage and sewerage - Structured-wall piping systems of unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE) - Part 4: Assessment of conformity (CEN/TS 13476-4:2019)