
ROAD TRAFFIC NOISE REDUCING DEVICES. TEST METHOD FOR DETERMINING THE ACOUSTIC PERFORMANCE. PART 1: INTRINSIC CHARACTERISTICS OF SOUND ABSORPTION.
NORMA vydána dne 24.4.1998
Designation standards: UNE-EN 1793-1:1998
Note: NEPLATNÁ
Publication date standards: 24.4.1998
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: Spanish technical standard
Kategorie: Technické normy UNE