GB/T 31.2-1988

Abolished

Hexagon bolts with split pin hole on shank--Reduced shank--Product grade B

六角头螺杆带孔螺栓 细杆 B级

Standard Type
GBT
ICS
21.060.10
CCS
J13
Status
废止
Issue Date
1988-06-24
Implementation
1989-07-01
Responsible Dept
中国机械工业联合会
Drafting Unit
N/A