GB/T 20970-2015

Active

Petroleum and natural gas industries—Downhole equipment—Packers and bridge plugs

石油天然气工业 井下工具 封隔器和桥塞

Standard Type
GBT
ICS
75.180.10
CCS
E92
Status
现行
Issue Date
2015-12-31
Implementation
2016-04-01
Responsible Dept
国家标准委
Drafting Unit
N/A