DIN 45635-1650
DIN 45635-1650
Measurement of airborne noise emitted by machines; enveloping surface method, woodworking machines, planing machinesstandard by Deutsches Institut Fur Normung E.V. (German National Standard), 07/01/1978
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 07/01/1978