GB/T 22652-2019

Active

Overlaying-welding procedure qualification for valves sealing face

阀门密封面堆焊工艺评定

Standard Type
GBT
ICS
23.060.01;25.160.01
CCS
J16
Status
现行
Issue Date
2019-10-18
Implementation
2020-05-01
Responsible Dept
中国机械工业联合会
Drafting Unit
N/A