Home / Standards / GB/T 7966-2009 GB/T 7966-2009 Abolished Acoustics - Ultrasonics power measurement - Radiation force balances and performance requirements 声学 超声功率测量 辐射力天平法及性能要求 Standard Type GBT ICS 17.140 CCS A59 Status 废止 Issue Date 2009-09-30 Implementation 2009-12-01 Responsible Dept 中国科学院 Drafting Unit N/A