Road traffic noise reducing devices - Non-acoustic performance - Part 1: Mechanical performance and stability requirements; German version EN 1794-1:1998— 12 стр.
Road restraint systems - Part 2: Performance classes, impact test acceptance criteria and test methods for safety barriers; German version EN 1317-2:1998 + A1:2006— 17 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 1: Mechanical performance and stability requirements; German version EN 1794-1:2003— 23 стр.
Road traffic noise reducing devices - Non-acoustic performance - Part 1: Mechanical performance and stability requirements; German version EN 1794-1:2003— 23 стр.
