Guiding Principles on the General Maintenance Organization for Telephone-Type International Circuits - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits (Study Group IV) 2 pp
标准号:ITU-T M.70-1989
标准名称: 电话型国际线路维修机构指导原则-一般的维修原则-国际传输系统和电话线路的维护(第4研究组)共2页
英文名称:Guiding Principles on the General Maintenance Organization for Telephone-Type International Circuits - 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):M01
国际标准分类号(ICS):33.040.20