
Acoustics - Reference Zero For The Calibration Of Audiometric Equipment - Part 3: Reference Equivalent Threshold Force Levels For Pure Tones And Bone Vibrators
出版:Polish Committee for Standardization

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Acoustics - Reference Zero For The Calibration Of Audiometric Equipment - Part 3: Reference Equivalent Threshold Force Levels For Pure Tones And Bone Vibrators
出版:Polish Committee for Standardization
专家解读视频