Home / Standards / GB/T 3158-1982 GB/T 3158-1982 Abolished Radii of spherical surfaces of optical elements series of numerical values 光学零件球面半径数值系列 Standard Type GBT ICS 17.180.30 CCS N30 Status 废止 Issue Date 1982-08-10 Implementation 1983-05-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A