Home / Standards / GB/T 9388-1988 GB/T 9388-1988 Active Methods of measurement for wireless microphonesystems 无线传声器系统测量方法 Standard Type GBT ICS 33.160.50 CCS M60 Status 现行 Issue Date 1988-06-20 Implementation 1988-12-01 Responsible Dept 工业和信息化部（电子） Drafting Unit N/A