GBT 1979-2001

Standard diagrams for rating macrostructure and defects of structural steels

结构钢低倍组织缺陷评级图

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