Home / Standards / GB/T 12858-1991 GB/T 12858-1991 Active Environment requirements and testmethods for ground radio-navigation equipments 地面无线电导航设备环境要求和试验方法 Standard Type GBT ICS 33.200 CCS M50 Status 现行 Issue Date 1991-04-28 Implementation 1991-12-01 Responsible Dept 工业和信息化部(电子) Drafting Unit N/A