GB/T 1205-1975

Abolished

Minimum thicknesses in rim and centre of lens

透镜边缘及中心最小厚度

Standard Type
GBT
ICS
37.020
CCS
N30
Status
废止
Issue Date
1975-06-05
Implementation
1976-01-01
Responsible Dept
中国机械工业联合会
Drafting Unit
N/A