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20/30388152 DC. BS EN ISO 389-3 AMD1. Acoustics. Reference zero for the calibration of audiometric equipment. Part 3. Reference equivalent threshold vibratory force levels for pure tones and bone vibrators : 20/30388152 DC
سازمان: BSI - British Standards Institution
کلید واژه: Ears , Acoustoelectric devices , Bones , Acoustic equipment , Audiometry , Datum , Calibration , Auditory threshold , Acoustic measurement , Audiometers , Hearing (auditory perception)
سال: 2020
زبان: English
قیمت: 425000 تومان
20/30388152 DC. BS EN ISO 389-3 AMD1. Acoustics. Reference zero for the calibration of audiometric equipment. Part 3. Reference equivalent threshold vibratory force levels for pure tones and bone vibrators : 20/30388152 DC
سازمان: BSI - British Standards Institution
کلید واژه: Ears , Acoustoelectric devices , Bones , Acoustic equipment , Audiometry , Datum , Calibration , Auditory threshold , Acoustic measurement , Audiometers , Hearing (auditory perception)
سال: 2020
زبان: English
قیمت: 425000 تومان
