Home / Standards / GB/T 11295-1989 GB/T 11295-1989 Active Designation for laser crystal rods 激光晶体棒型号命名方法 Standard Type GBT ICS 31.260 CCS L32 Status 现行 Issue Date 1989-03-31 Implementation 1990-01-01 Responsible Dept 工业和信息化部(电子) Drafting Unit N/A