DIN EN 13476-3 (2015-11)被替代
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 3: Specifications for pipes and fittings with smooth internal and profiled external surface and the system, Type B; German and English version prEN 13476-3:2015
出版：German Institute for Standardisation (Deutsches Institut für Normung)
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