GB/T 939-1988

Active

Boots for self-locking nuts，singlelug，anchor

单耳托板自锁螺母保护罩

Standard Type
GBT
ICS
21.060.20
CCS
J13
Status
现行
Issue Date
1988-12-22
Implementation
1989-07-01
Responsible Dept
中国机械工业联合会
Drafting Unit
N/A