當(dāng)前位置:
首頁 >
標(biāo)準(zhǔn)詳情頁

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
出版:Polish Committee for Standardization

專家解讀視頻