GB/T 39255-2020

Active

Gases and gas mixtures for welding and cutting processes

焊接与切割用保护气体

Standard Type
GBT
ICS
25.160.20
CCS
J33
Status
现行
Issue Date
2020-11-19
Implementation
2021-06-01
Responsible Dept
国家标准委
Drafting Unit
N/A