Home / Standards / GB/T 14197-1993 GB/T 14197-1993 Abolished Preferred matching values for the interconnection of sound system components 声系统设备互连的优选配接值 Standard Type GBT ICS 33.160.50 CCS M72 Status 废止 Issue Date 1993-02-20 Implementation 1993-10-01 Responsible Dept 工业和信息化部（电子） Drafting Unit N/A