
TEST CODE FOR THE MEASURE OF AERIAL NOISE EMITED FOR ROTATING ELECTRICAL MACHINES
NORMA vydána dne 15.4.1978
Designation standards: UNE 20137:1978
Note: NEPLATNÁ
Publication date standards: 15.4.1978
The number of pages: 14
Approximate weight : 42 g (0.09 lbs)
Country: Spanish technical standard
Kategorie: Technické normy UNE