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Norm
ISO 389:1985
Ausgabedatum: 1985 03 14
Acoustics — Standard reference zero for the calibration of pure tone air conduction audiometers
ZURÜCKGEZOGEN
: 1991 03 05
Herausgeber:
International Organization for Standardization
Format:
Digital | 1 Seiten
Sprache:
Englisch
Aktuell Gültig:
ICS
ISO 389-1:2017
2017 12 13
Acoustics — Reference zero for the calibration of audiometric equipment — Part 1: Reference equivale...
Norm
ISO 389-1:1998
1998 10 29
Acoustics — Reference zero for the calibration of audiometric equipment — Part 1: Reference equivale...
Norm
ISO 389:1991
1991 03 07
Acoustics — Standard reference zero for the calibration of pure-tone air conduction audiometers
Norm
ISO 389:1985
1985 03 14
Acoustics — Standard reference zero for the calibration of pure tone air conduction audiometers
Norm
↖
ISO 389:1975
1975 01 15
Acoustics — Reference zero for the calibration of audiometric equipment
Norm
Norm
ISO 389:1991
Ausgabedatum :
1991 03 07
Acoustics — Standard reference zero for the calibration of pure-tone air conduction audiometers