DIN EN 1793-1:2023-08 - Draft Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 1: Intrinsic characteristics of sound absorption under diffuse sound field conditions; German and English version prEN 1793-1:2023

标准编号：DIN EN 1793-1:2023-08 - Draft

英文标题：Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 1: Intrinsic characteristics of sound absorption under diffuse sound field conditions; German and English version prEN 1793-1:2023

德文标题：Lärmschutzvorrichtungen an Straßen - Prüfverfahren zur Bestimmung der akustischen Eigenschaften - Teil 1: Produktspezifische Merkmale - Schallabsorption unter den Bedingungen eines diffusen Schallfeldes; Deutsche und Englische Fassung prEN 1793-1:2023

发布日期：2023-08

DIN EN 1793-1:2023-08 - Draft Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 1: Intrinsic characteristics of sound absorption under diffuse sound field conditions; German and English version prEN 1793-1:2023

标准预览图