DIN EN 13476-1 (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 1: General requirements and performance characteristics; German and English version prEN 13476-1:2015
出版：German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻
