Home / Standards / GB/T 5440-1985 GB/T 5440-1985 Abolished Stereophonic broadcast magnetic recorder 广播用立体声录音机 Standard Type GBT ICS 33.160.30 CCS M71 Status 废止 Issue Date 1985-09-29 Implementation 1986-06-01 Responsible Dept 广电总局 Drafting Unit 广电总局