Acoustics - Test code for the measurement of airborne noise emitted by rotating electrical machinery - Engineering methods for free-field conditions over a reflecting plane
NORM herausgegeben am 1.7.1992
Designation standards: ÖNORM EN 21680-1
Note: UNGÜLTIG
Publication date standards: 1.7.1992
The number of pages: 22
Approximate weight : 66 g (0.15 lbs)
Country: Austrian technische Norm
Kategorie: Technische Normen ÖNORM