GB/T 28055-2011

Abolished

Technical standard for hot tapping and plugging on steel pipeline

钢制管道带压封堵技术规范

Standard Type
GBT
ICS
75.200
CCS
E98
Status
废止
Issue Date
2011-12-30
Implementation
2012-07-01
Responsible Dept
国家标准委
Drafting Unit
国家标准委