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PNE-prEN ISO 389-4

Current

Current

The latest, up-to-date edition.

ACOUSTICS- REFERENCE ZERO FOR THE CALIBRATION OF AUDIOMETRIC EQUIPMENT. PART 4: REFERENCE LEVELS FOR NARROW-BAND MASKING NOISE (ISO 389-4:1994)

Published date

05-02-1999

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Committee
CTN 74
DocumentType
Standard
PublisherName
Asociacion Espanola de Normalizacion
Status
Current

Standards Relationship
ISO 389-4:1994 Identical

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