30MHz～1GHz声音和电视信号的电缆分配系统 分支器质量分等标准
30MHz～1GHz声音和电视信号的电缆分配系统 分支器质量分等标准
Grading standard of quelity for subscriber's tap used in cabled distribution systems primarily intended for sound and television signals operating between 30MHz and 1GHz
发布日期：1993-03-29
实施日期：1993-07-01