DETERMINATION OF SOUND POWER LEVELS OF NOISE SOURCES. PRECISION METHODS FOR BROAD-BAND SOURCES IN REVERBERATION ROOMS
NORM herausgegeben am 15.4.1987
Designation standards: UNE 74031:1987
Note: UNGÜLTIG
Publication date standards: 15.4.1987
The number of pages: 24
Approximate weight : 72 g (0.16 lbs)
Country: Spanish technical standard
Kategorie: Technische Normen UNE