Home / Standards / GB/T 14077-1993 GB/T 14077-1993 Active Measurement specification for birefractance crystal and polarizer 双折射晶体和偏振器件测试规范 Standard Type GBT ICS 17.180.20 CCS N05 Status 现行 Issue Date 1993-02-06 Implementation 1993-08-01 Responsible Dept 工业和信息化部(电子) Drafting Unit N/A