GB/T 820-2015

Active

Raised countersunk head screws with cross recess

十字槽半沉头螺钉

Standard Type
GBT
ICS
21.060.10
CCS
J13
Status
现行
Issue Date
2015-12-31
Implementation
2016-04-01
Responsible Dept
中国机械工业联合会
Drafting Unit
N/A