标准查询 标准查询无压雨水管用12至60 in. [300至1500 mm] 聚丙烯(PP)双壁管及配件的规范
Specification for 12 to 60 in. [300 to 1500 mm] Polypropylene (PP) Dual Wall Pipe and Fittings for Non-Pressure Storm Sewer Applications
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标准查询Specification for 12 to 60 in. [300 to 1500 mm] Polypropylene (PP) Dual Wall Pipe and Fittings for Non-Pressure Storm Sewer Applications
![无压雨水管用12至60 in. [300至1500 mm] 聚丙烯(PP)双壁管及配件的标准规范](/_nuxt/img/standard-gw.760ea17.png)