GB9074.3-88

Cross recessed pan head screws and spring washer assemblies

十字槽盘头螺钉和弹簧垫圈组合件

Standard Type

GB

ICS

N/A

CCS

N/A

Status

N/A

Issue Date

N/A

Implementation

N/A

Responsible Dept

N/A

Drafting Unit

N/A