GB 985-1988

Basic forms and dimensions of weld grooves for gas welding, manual arc welding and gas shielded welding

气焊、手工电弧焊及气体保护焊焊缝坡口的基本形式与尺寸

Standard Type
GB
ICS
N/A
CCS
N/A
Status
N/A
Issue Date
N/A
Implementation
N/A
Responsible Dept
N/A
Drafting Unit
N/A