DIN 45635-40:1987-03
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DIN 45635-40:1987-03

Measurement of airborne noise emitted by machines; enveloping surface method; machine sets in hydroelectric power stations and water pumping plants

Summary

Determination of airborne noise emitted by machine sets in hydroelectric power stations and water pumpin plants; dermination of sound power level using the enveloping surface method ('free field'-method) for prescribed measuring conditions.

Technical characteristics

Publisher Deutsche Institut für Normung e.V. (DIN)
Publication Date 03/01/1987
Page Count 11
EAN ---
ISBN ---
Weight (in grams) ---
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