GY T 20-1984 Rules of maintenance of rural cable casting equipment《农村有有线广播设备维护规程》.pdf

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GY 17-1984 农村有线广播线路传输质量要求.pdf

GY 19-1984 农村有线广播技术管理规程.pdf

GY 20-1984 农村有线广播设备维护规程.pdf

GY 21-1984 农村有线广播技术安全.pdf

GY 68-1989 农村有线广播播出系统设备互连的接口参数及接插件技术要求.pdf

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GY 81-1989 农村有线广播线路传输质量指标测量方法.pdf

GY T 16-1995 农村有线广播用户设备技术要求.pdf

GY 66-1989 有线广播用晶体管扩音机测量方法.pdf

GY 67-1989 有线广播用晶体管扩音机技术要求.pdf

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