DIN 45635-62:1989 Measurement of airborne noise emitted by machines; enveloping surface method; machines and equipment for the manufacture of concrete blocks, slabs, pipes and prefabricated elements
Determination of airborne noise emitted by machines and equipment for the manufacture of concrete blocks, slabs, pipes and prefabricated elements; determination of sound power level using the enveloping surface method for precribed measuring conditions.
DIN 45635-62:1989 history
1989DIN 45635-62:1989-05 Measurement of airborne noise emitted by machines; enveloping surface method; machines and equipment for the manufacture of concrete blocks, slabs, pipes and prefabricated elements
1989DIN 45635-62:1989 Measurement of airborne noise emitted by machines; enveloping surface method; machines and equipment for the manufacture of concrete blocks, slabs, pipes and prefabricated elements