94/630860 DC 标准详情
- 标准号:94/630860 DC
- 中文标题:修订号, 1至BS 6450专用小交换机,用于连接到公共交换电话网络运行某些公共电信运营商,第4部分:端口
- 英文标题:Amendment No.1 To Bs 6450 Private Branch Exchanges For Connection To Public Switched Telephone Networks Run By Certain Public Telecommunications Operators. Part 4: Ports
- 标准类别:标准草案
- 发布日期: