DIN EN 1793-4:2015-05 Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 4: Intrinsic characteristics - In situ values of sound diffraction; German version EN 1793-4:2015

标准编号：DIN EN 1793-4:2015-05

英文标题：Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 4: Intrinsic characteristics - In situ values of sound diffraction; German version EN 1793-4:2015

德文标题：Lärmschutzvorrichtungen an Straßen - Prüfverfahren zur Bestimmung der akustischen Eigenschaften - Teil 4: Produktspezifische Merkmale - In-situ-Werte der Schallbeugung; Deutsche Fassung EN 1793-4:2015

发布日期：2015-05

DIN EN 1793-4:2015-05 Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 4: Intrinsic characteristics - In situ values of sound diffraction; German version EN 1793-4:2015

标准预览图