China 'GB/T 14369-2011
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 14369-2011
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
Issued Date:2011-12-30
Implemented Date:2012-05-01
Issued by:
The Standardization Administration of the People's Republic of China