Home / Standards / GB/T 13425-1992 GB/T 13425-1992 Active Measurement for 24-channel submarine coaxial cable carrier telephone equipment 24路海底同轴电缆载波电话设备测试方法 Standard Type GBT ICS 33.040.60 CCS M31 Status 现行 Issue Date 1992-03-10 Implementation 1992-12-01 Responsible Dept 工业和信息化部（电子） Drafting Unit N/A