
Road traffic noise reducing devices - Procedures for assessing long term performance - Part 1: Acoustical characteristics
NORMA vydaná dňa 17.6.2009
Designation standards: UNE-EN 14389-1:2009
Note: NEPLATNÁ
Publication date standards: 17.6.2009
The number of pages: 13
Approximate weight : 39 g (0.09 lbs)
Country: Spanish technical standard
Kategória: Technické normy UNE