美利体育登录入口官网:EN 13598-1:2010
无压力地下排水和排污用塑料管道系统.未增塑聚氯乙烯(PVC-U),聚丙烯(PP)和聚乙烯(PE).第1部分:包括浅层检查室在内的辅助配件规格
Plastics piping systems for non-pressure underground drainage and sewerage - Unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE) - Part 1: Specifications for ancillary fittings including shallow inspection chambers