标准编号:PD 6564-1992
标准名称:修改件(草案):BS 6789 Sec.6.1-86"某些公共交换电话...
英文名称:A draft amendment to BS 6789:Section 6.1:1986 "Apparatus with one or more particular functions for connection to certain public switched telephone networks. Part 6. Specification for series connected apparatus. Section 6.1. Apparatus having maximum allowable impairments"
发布部门:
发布日期:1992-10-31
实施日期:1992-10-31
标准状态:现行
文件格式:PDF
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