Road traffic noise reducing devices - Procedures for assessing long term performance - Part 1: Acoustical characteristics; German version EN 14389-1:2007— 11 стр.
Road traffic noise reducing devices - Procedures for assessing long term performance - Part 1: Acoustical characteristics; German version EN 14389-1:2015— 16 стр.
Workplace exposure - Assessment of sampler performance for measurement of airborne particle concentrations - Part 6: Transport and handling tests; German version EN 13205-6:2014— 20 стр.