Home / Standards / GB/T 14369-2011 GB/T 14369-2011 Active Acoustics - Measurement methods of insertion loss，echo reduction and sound absorption coefficient for underwater acoustical material samples 声学 水声材料样品插入损失、回声降低和吸声系数的测量方法 Standard Type GBT ICS 17.140 CCS A59 Status 现行 Issue Date 2011-12-30 Implementation 2012-05-01 Responsible Dept 中国科学院 Drafting Unit N/A