Reference number
ISO 389:1991
© ISO 2024
ISO 389:1991
Acoustics — Standard reference zero for the calibration of pure-tone air conduction audiometers
Edition 3
1991-03
Withdrawn
Withdrawn (Edition 3, 1991)

General information

  • Status
     : Withdrawn
    Publication date
     : 1991-03
    Stage
    : Withdrawal of International Standard [95.99]
  • Edition
     : 3
    Number of pages
     : 6
  • Technical Committee :
    ISO/TC 43
    ICS :
    13.140 
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