GB/T 1221-2007

Active

Heat-resistant steel bars

耐热钢棒

Standard Type
GBT
ICS
77.140.20
CCS
H40
Status
现行
Issue Date
2007-05-14
Implementation
2007-12-01
Responsible Dept
中国钢铁工业协会
Drafting Unit
中国钢铁工业协会