GB/T 12520-1990

Active

Offset cruciform recess for rotary fastening devices

高扭矩十字槽

Standard Type
GBT
ICS
21.060
CCS
J45
Status
现行
Issue Date
1990-11-03
Implementation
1991-09-01
Responsible Dept
中国机械工业联合会
Drafting Unit
N/A