NEN EN 16272-4 : 2016
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RAILWAY APPLICATIONS - TRACK - NOISE BARRIERS AND RELATED DEVICES ACTING ON AIRBORNE SOUND PROPAGATION - TEST METHOD FOR DETERMINING THE ACOUSTIC PERFORMANCE - PART 4: INTRINSIC CHARACTERISTICS - IN SITU VALUES OF SOUND DIFFRACTION UNDER DIRECT SOUND FIELD
Published date
16-06-2014
Publisher
Explains a test method for determining the intrinsic characteristics of sound diffraction of added devices installed on the top of railway noise barriers.
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