GB/T 30829-2014

Active

Shaped and round seamless steel tubes for oil derrick

石油井架用异型及圆形无缝钢管

Standard Type
GBT
ICS
77.140.75
CCS
H48
Status
现行
Issue Date
2014-05-06
Implementation
2015-04-01
Responsible Dept
中国钢铁工业协会
Drafting Unit
N/A