DS DS/EN ISO 11690-3
DS DSEN SO 11690-3 1999-FEB-02 Acoustcs - Recommended practce for the desgn of low-nose workplaces contanng machnery - Part 3 Sound propagaton and nose predcton n workrooms
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In this part of the standard, sound propagation in a room is considered and the methodology for the prediction of sound pressure levels and of noise immission at the workplace is given for use in noise control.