DIN 45635-1652
DIN 45635-1652
Measurement of airborne noise emitted by machines; enveloping surface method, woodworking machines, one side moulding machinesstandard by Deutsches Institut Fur Normung E.V. (German National Standard), 06/01/1978
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 06/01/1978