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文档 ISO 389-8 2004 Acoustics — Reference zero for the calibration of audiometric equipment — Part 8 Reference equivalent threshold sound pressure levels for pure tones and circumaural earphones

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ISO 389-8 2004 Acoustics — Reference zero for the calibration of audiometric equipment — Part 8 Reference equivalent threshold sound pressure levels for pure tones and circumaural earphones 第 1 页 ISO 389-8 2004 Acoustics — Reference zero for the calibration of audiometric equipment — Part 8 Reference equivalent threshold sound pressure levels for pure tones and circumaural earphones 第 2 页 ISO 389-8 2004 Acoustics — Reference zero for the calibration of audiometric equipment — Part 8 Reference equivalent threshold sound pressure levels for pure tones and circumaural earphones 第 3 页
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