
TEST CODE FOR THE MEASURE OF AERIAL NOISE EMITED FOR ROTATING ELECTRICAL MACHINES
NORM herausgegeben am 15.4.1978
Designation standards: UNE 20137:1978
Note: UNGÜLTIG
Publication date standards: 15.4.1978
The number of pages: 14
Approximate weight : 42 g (0.09 lbs)
Country: Spanish technical standard
Kategorie: Technische Normen UNE