Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
GB/T 41666.3-2022 |
Plastic piping systems for Trenchless repair of underground pressureless drainage networks - Part 3: close fitting lining method {译} 地下无压排水管网非开挖修复用塑料管道系统 第 3 部分:紧密贴合内衬法 |
China National Standards Trenchless |
English PDF |
Find out:1Items | To Page of: First -Previous-Next -Last | 1 |