Standard

NS-EN ISO 389-9:2009

Published

Corrigendums and amendments are bought separately.

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Abstract

ISO 389-9:2009 specifies test conditions for determining the hearing thresholds of subjects for the purpose of establishing standardized values for reference hearing threshold levels.

Document information

  • Standard from SN
  • Published:
  • Edition: 2009-05
  • Version: 1
  • Document type: NAT
  • ICS 13.140
  • National Committee SN/K 1

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