ACOUSTICS. REFERENCE ZERO FOR THE CALIBRATION OF AUDIOMETRIC EQUIPMENT. PART 2: REFERENCE EQUIVALENT THRESHOLD SOUND PRESSURE LEVELS FOR PURE TONES AND INSERT EARPHONES. (ISO 389-2:1994).
Publication date
1997-02-04
Original language
Spanish
Pages
15
Publication date
1997-02-04
Original language
Spanish
Pages
15
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