GB/T 4854.6-2014
China national
standard english version:
GB
中华人民共和国国家标准
NATIONAL
STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 4854.6-2014
Acoustics―Reference zero for the calibration of audiometric equipment―Part 6: Reference hearing threshold levels for test signals of short duration 声学 校准测听设备的基准零级 第6部分:短时程测试信号的基准听阈
Issued Date:2014-09-03
Implemented Date:2015-02-01
Issued by:
The Standardization Administration of the People's Republic of China