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DIN 45635-50:1987-08
Measurement of noise emitted by machines; airborne noise measurement, enveloping surface method; valves
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Summary
Determination of airborne noise emitted by control valves, determination 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 | 08/01/1987 |
| Page Count | 10 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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