GB/T 18998.1-2022工业用氯化聚氯乙烯(PVC-C)管道系统第1部分:总则国家标准
英文:Chlorinated poly(vinyl chloride)(PVC-C)piping systems for industrial applications—Part 1:General GB/T 18998.1-2022介绍:...
英文:Chlorinated poly(vinyl chloride)(PVC-C)piping systems for industrial applications—Part 1:General GB/T 18998.1-2022介绍:...