GY/T 31-1984 Measuring method of operating technical index of AM broadcasting transmitter was changed to GY/T 225-2007 Technical specifications and methods of meansurement for MW and SW broadcasting transmitters.
GY/T 31-1984 Measuring method of operating technical index of AM broadcasting transmitter was changed to GY/T 225-2007 Technical specifications and methods of meansurement for MW and SW broadcasting transmitters.
Copyright ©2023 All Rights Reserved