Home / Standards / GB/T 8977-1988 GB/T 8977-1988 Abolished 300Ω/75Ω balun for FM and TV broadcast receiver 调频、电视广播接收机用300Ω/75Ω 平衡-不平衡阻抗变换器 Standard Type GBT ICS 33.160.20 CCS L23 Status 废止 Issue Date 1988-04-11 Implementation 1989-01-01 Responsible Dept 工业和信息化部(电子) Drafting Unit N/A