SS-EN-1793-1 › Complete Document History
Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 1: Intrinsic characteristics of sound absorption under diffuse sound field conditions
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2017 EDITION - ENGLISH LANGUAGE EDITION - April 3, 2017
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2012 EDITION - ENGLISH LANGUAGE EDITION - Nov. 17, 2012
EDITION 1 - ENGLISH LANGUAGE EDITION - Oct. 31, 1997 |