Road traffic noise reducing devices - Non-acoustic performance - Part 2: General safety and environmental requirements; German version EN 1794-2:1998— 10 стр.
Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 1: Intrinsic characteristics of sound absorption; German version EN 1793-1:1997— 6 стр.
Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 2: Intrinsic characteristics of airborne sound insulation; German version EN 1793-2:1997— 6 стр.
Aerospace series; test methods for transparent materials for aircraft glazing; part 5: determination of visible light transmission; german version EN 2155-5:1989— 9 стр.
Paints and varnishes - Determination of specular gloss of non-metallic paint films at 20°, 60° und 85° (ISO 2813:1994, including Technical Corrigendum 1:1997); German version EN ISO 2813:1999— 9 стр.
Road traffic noise reducing devices - Non-acoustic performance - Part 2: General safety and environmental requirements; German version EN 1794-2:2003— 23 стр.
Road traffic noise reducing devices - Non-acoustic performance - Part 2: General safety and environmental requirements; German version EN 1794-2:2003— 23 стр.
