Home / Standards / GB/T 13857-1992 GB/T 13857-1992 Abolished Specification for microwave communication system remote supervisory and control equipment 微波通信系统远程监控设备技术条件 Standard Type GBT ICS 33.060.30 CCS M34 Status 废止 Issue Date 1992-10-06 Implementation 1993-05-01 Responsible Dept 工业和信息化部（通信） Drafting Unit N/A