弹性密封环型接头|沙特标准|SASO-ISO-13259
SASO-ISO-13259
Thermoplastics piping systems for underground nonpressure applications — Test method for leaktightness of elastomeric sealing ring type joints
地下非承压应用的热塑性管道系统.弹性密封环型接头密封性的试验方法
Applying Type : Standard Specification
Standard Year : 2020
Approval Year : 2021