GB/T 4854.4-1999 standards english version

NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA

GB/T 4854.4-1999

Acoustics--Reference zero for the calibration of audiometric equipment--Part 4:Reference levels for narrow-band masking noise

Issued Date:

Implemented Date:

Issued by:

The Standardization Administration of the People's Republic of China

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GB Standard Code	GB/T 4854.4-1999
Standard Category	China National Standards
GB Standard English Title	Acoustics--Reference zero for the calibration of audiometric equipment--Part 4:Reference levels for narrow-band masking noise
GB Standard Chinese Title	声学校准测听设备的基准零级第4部分:窄带掩蔽噪声的基准级
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