SIS CEN/TS 14758-2 Ed. 1 (2007)被替代
Plastics Piping Systems For Non-pressure Underground Drainage And Sewerage - Polypropylene With Mineral Modifier(s) - (pp-md) - Part 2: Guidance For The Assessment Of Conformity
出版：Standardiserings-Kommissionen I Sverige
專家解讀視頻
