GB 9948-2006

Abolished

Seamless steel tubes for petroleum cracking

石油裂化用无缝钢管

Standard Type
GB
ICS
77.140.75
CCS
H48
Status
废止
Issue Date
2006-08-16
Implementation
2007-01-01
Responsible Dept
中国钢铁工业协会
Drafting Unit
N/A