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文档 ISO 389-5 2006 Acoustics Reference zero for the calibration of audiometric equipment Part 5 Reference equivalent threshold sound pressure levels for pure tones in the frequency range 8 kHz to 16 kHz

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ISO 389-5 2006 Acoustics Reference zero for the calibration of audiometric equipment Part 5 Reference equivalent threshold sound pressure levels for pure tones in the frequency range 8 kHz to 16 kHz 第 1 页 ISO 389-5 2006 Acoustics Reference zero for the calibration of audiometric equipment Part 5 Reference equivalent threshold sound pressure levels for pure tones in the frequency range 8 kHz to 16 kHz 第 2 页 ISO 389-5 2006 Acoustics Reference zero for the calibration of audiometric equipment Part 5 Reference equivalent threshold sound pressure levels for pure tones in the frequency range 8 kHz to 16 kHz 第 3 页
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