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NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
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GB/T 4854.8-2007
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Acoustics - Reference zero for the calibration of audiometric equipment - Part 8: Reference equivalent threshold sound pressure levels for pure tone and circumaural earphones |
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Issued Date: |
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Implemented Date: |
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Issued by: |
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The Standardization Administration of the People's Republic of China |
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"GB/T 4854.8-2007" standard !
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| GB Standard Code |
GB/T 4854.8-2007 |
| Standard Category |
China National Standards |
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GB Standard English Title |
Acoustics - Reference zero for the calibration of audiometric equipment - Part 8: Reference equivalent threshold sound pressure levels for pure tone and circumaural earphones |
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GB Standard Chinese Title |
声学 校准测听设备的基准零级 第8部分：耳罩式耳机纯音基准等效阈声压级 |
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