GB/T 21447-2018

Active

Specifications for steel pipeline external corrosion control

钢质管道外腐蚀控制规范

Standard Type
GBT
ICS
75.200
CCS
E98
Status
现行
Issue Date
2018-02-06
Implementation
2018-09-01
Responsible Dept
国家标准委
Drafting Unit
N/A