China 'GB/T 4958.9-1988
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 4958.9-1988
Methods of measurement for equipment used in terrestrial radio-relay systems--Part 2:Mesurements for sub-systems--Section nine--Stand-by channel switching equipment 地面无线电接力系统所用设备的测量方法 第二部分:分系统的测量 第九节 备用通道倒换设备
Issued Date:1988-05-26
Implemented Date:1989-01-01
Issued by:
The Standardization Administration of the People's Republic of China