Home / Standards / GB 13421-1992 GB 13421-1992 Abolished Limits of maximum permitted spurious emission power levels and methods of measurement for radio transmitters 无线电发射机杂散发射功率电平的限值和测量方法 Standard Type GB ICS 33.060.20 CCS M36 Status 废止 Issue Date 1992-03-10 Implementation 1992-11-01 Responsible Dept 工业和信息化部（通信） Drafting Unit N/A