GB/T 6728-2017

Abolished

Cold forming hollow sectional steel for general structure

结构用冷弯空心型钢

Standard Type
GBT
ICS
77.140.70
CCS
H44
Status
废止
Issue Date
2017-07-12
Implementation
2018-04-01
Responsible Dept
中国钢铁工业协会
Drafting Unit
中国钢铁工业协会