Text for BS 6789:Part 2:1992 "Apparatus with one or more particular functions for connection to public switched telephone networks run by certain public telecommunication operators. Part 2. Specification for apparatus with loudspeaking facilities"
标准号:PD 6571-1992
标准名称: BS 6789 Pt.2-92"由某些公共长途通信接线员操作的公共交换电话网连接用单功能或多种特别功能装置".第2部分:有扩音设备装置规范
英文名称:Text for BS 6789:Part 2:1992 "Apparatus with one or more particular functions for connection to public switched telephone networks run by certain public telecommunication operators. Part 2. Specification for apparatus with loudspeaking facilities"
标准类型:国外标准
标准状态:现行
发布日期:1992-10-31
实施日期:1992-10-31
中国标准分类号(CCS):M40
国际标准分类号(ICS):33.050.10