标准编号:BS 6789-2-1984
标准名称:连接由某些公共长途电话接线员操作的公共开关电话网络用单功能或多种特别功能设备.带扬声器的设备规范
英文名称:Apparatus with one or more particular functions for connection to public switched telephone networks run by certain public telecommunications operators - Specification for apparatus with loudspeaking facilities
发布部门:
发布日期:1984-03-30
实施日期:1984-03-30
标准状态:现行
文件格式:PDF