China 'NB/T10371-2019
' Industry standard english version:
NB
中华人民共和国行业标准
INDUSTRY STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
NB/T10371-2019
Specification for performance inspection of coated (covered) layer reinforced spiral welded steel pipe for coal mine gas drainage 煤矿抽放瓦斯用涂(覆)层加强筋螺旋焊接钢管性能检验规范
Issued Date:2019/12/30
Implemented Date:2020/7/1
Issued by:
The Standardization Administration of the People's Republic of China
GB Standard Code
NB/T10371-2019
Standard Category
China Energy Industry
Standards
GB Standard English Title
Specification for performance inspection of coated (covered) layer reinforced spiral welded steel pipe for coal mine gas drainage