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Spanish national standards UNE are published by the company AENOR, which deals with the development of national standardization and certification in all industrial and services sectors. Its aim is to contribute to the quality, competitiveness and improvement of companies and to protect the environment.
Acoustics. Reference zero for the calibration of audiometric equipment. Part 1: Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones. (ISO 389-1:1998)
WITHDRAWN published on 30.4.2001
Selected format:Acoustics - Reference zero for the calibration of audiometric equipment - Part 3: Reference equivalent threshold force levels for pure tones and bone vibrators (ISO 389-3:1994)
WITHDRAWN published on 24.11.1999
Selected format:ACOUSTICS. REFERENCE ZERO FOR THE CALIBRATION OF AUDIOMETRIC EQUIPMENT. PART 5: REFERENCE EQUIVALENT THRESHOLD SOUND PRESSURE LEVELS FOR PURE TONES IN THE FREQUENCY RANGE 8 KHZ TO 16 KHZ (ISO/TR 389-5:1998)
WITHDRAWN published on 17.5.2000
Selected format:ACOUSTICS. REFERENCE ZERO FOR THE CALIBRATION OF AUDIOMETRIC EQUIPMENT. PART 7: REFERENCE THRESHOLD OF HEARING UNDER FREE-FIELD AND DIFFUSE-FIELD LISTENING CONDITIONS. (ISO 389-7:1996).
WITHDRAWN published on 30.7.1998
Selected format:Acoustics - Reference zero for the calibration of audiometric equipment - Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions (ISO 389-7:2005)
WITHDRAWN published on 15.2.2006
Selected format:ACOUSTICS. STANDARD REFERENCE ZERO FOR THE CALIBRATION OF PURE-TONE AIR CONDUCTION AUDIOMETERS. (ISO 389:1991).
WITHDRAWN published on 21.5.1996
Selected format:CONVERSION COATINGS ON METALLIC MATERIALS. DETERMINATION OF COATING MASS PER UNIT AREA. GRAVIMETRIC METHODS. (ISO 3892:1980).
WITHDRAWN published on 23.4.1996
Selected format:Aerospace series. Inserts, thickwall, self-locking, MJ threads, in heat resisting steel FE-PM3801 (17-4PH).Technical specification (Endorsed by AENOR in March of 2003.)
WITHDRAWN published on 1.3.2005
Selected format:GLUED LAMINATED TIMBER. SIZES. PERMISSIBLE DEVIATIONS.
WITHDRAWN published on 24.7.1995
Selected format:Aerospace series - Bolts, double hexagon head, normal shank, long thread, in titanium alloy TI-P64001, MoS2 coated - Classification: 1 100 MPa (at ambient temperature)/350 °C (Endorsed by AENOR in April of 2003.)
WITHDRAWN published on 1.3.2005
Selected format:Latest update: 2026-07-05 (Number of items: 2 286 116)
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