Oído artificial de banda ancha, para la calibración de los auriculares utilizados en audiometría.
ARTIFICIAL EAR OF THE WIDE BAND TYPE FOR THE CALIBRATION OF EARPHONES USED IN AUDIOMETRY
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13.140 / Noise with respect to human beings
17.140.50 / Electroacoustics
CTN 209/SC 29 - Electroacoustics
IEC 60318:1970 (Identical)
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