GB/T 39383-2020
China national
standard english version:
GB
中华人民共和国国家标准
NATIONAL
STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 39383-2020
Thermoplastics piping systems for underground non-pressure applications—Test method for leaktightness of elastomeric sealing ring type joints 埋地用无压热塑性塑料管道系统 弹性密封圈接头的密封性能试验方法
Issued Date:2020
Implemented Date:2021/6/1
Issued by:
The Standardization Administration of the People's Republic of China