• Shopping Cart
    There are no items in your cart

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

Sorry this product is not available in your region.

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

Standards Relationship
ISO 389-4:1994 Identical

Access your standards online with a subscription

Features

  • Simple online access to standards, technical information and regulations.

  • Critical updates of standards and customisable alerts and notifications.

  • Multi-user online standards collection: secure, flexible and cost effective.