Principles for a Telecommunications Management Network - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits (Study Group IV) 40 pp
标准号:ITU-T M.30-1989
标准名称: (撤回)电信管理网原则-一般维修原则-国际传输系统和电话线路的维护(第4研究组)第40页
英文名称:Principles for a Telecommunications Management Network - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits (Study Group IV) 40 pp
标准类型:国外标准
标准状态:现行
中国标准分类号(CCS):M01
国际标准分类号(ICS):33.040.20