GB/T 3670-2021

Active

Covered electordes for manual metal arc welding of copper and copper alloys

铜及铜合金焊条

Standard Type
GBT
ICS
25.160.20
CCS
J33
Status
现行
Issue Date
2021-12-31
Implementation
2022-07-01
Responsible Dept
国家标准委
Drafting Unit
国家标准委