Home / Standards / GB/T 9029-2011 GB/T 9029-2011 Active Methods of the measurement of speed fluctuations in sound recording and reproducing equipment 录放音设备抖晃测量方法 Standard Type GBT ICS 33.160.30 CCS M71 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 工业和信息化部（电子）