GB/T 12212-1990

Abolished

Technical drawings--Dimensions，proportions and simplified representation for welding symbols

技术制图 焊缝符号的尺寸、比例及简化表示法

Standard Type
GBT
ICS
01.100
CCS
J04
Status
废止
Issue Date
1990-01-12
Implementation
1990-10-01
Responsible Dept
国家标准委
Drafting Unit
N/A