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BS 7458-1:1991

Withdrawn Date published:

Warning: Withdrawn Standard. This document has been replaced by:

Test code for the measurement of airborne noise emitted by rotating electrical machinery, Engineering method for free-field conditions over a reflecting plane

Method, of engineering grade accuracy, of measuring sound pressure levels around a machine, of calculating band power levels and of determining the A-weighted sound power level.

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BS 7458-1:1991

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