Home / Standards / GB/T 12060.9-2011 GB/T 12060.9-2011 Active Sound system equipment - Part 9: Methods of measurement for artificial reverberation, time delay and frequency shift equipment 声系统设备 第9部分：人工混响、时间延迟和移频装置测量方法 Standard Type GBT ICS 33.160.99 CCS M72 Status 现行 Issue Date 2011-12-30 Implementation 2012-05-01 Responsible Dept 工业和信息化部（电子） Drafting Unit N/A