30MHz~1GHz声音和电视信号的电缆分配系统 频道放大器质量分等标准
30MHz~1GHz声音和电视信号的电缆分配系统 频道放大器质量分等标准
Grading standard of quelity for channel amplifier used in cabled distribution systems primarily intended for sound and televisioin signals operating between 30MHz and 1GHz
发布日期:1993-03-29
实施日期:1993-07-01