Maintenance of a Circuit Fitted with a Compandor - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits Study Group IV; 2 pp
标准号:ITU-T M.670-1989
标准名称: 安装有压扩器的电路的维修-维修原则-维护国际传输系统和电话线路(第4研究组)2页
英文名称:Maintenance of a Circuit Fitted with a Compandor - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits Study Group IV; 2 pp
标准类型:国外标准
标准状态:现行
中国标准分类号(CCS):M30
国际标准分类号(ICS):33.040.20