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ACOUSTICS - PREFERRED REFERENCE QUANTITIES FOR ACOUSTIC LEVELS
:
Available format(s): Hardcopy, PDF
Superseded date: 10-03-2008
Language(s): English
Published date: 01-01-1994
Publisher: National Standards Authority of Ireland
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Cooperating organizationsNational forewordForewordText of EN 21683 (no contents section)National annex NA (informative) Committees responsibleNational annex NB (informative) Cross-references
Specifies reference quantities and gives definitions of some levels for acoustics.
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