China 'GB/T 39383-2020
' standard english version:
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
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