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BS 4857-2 78th Edition, August 31, 1978
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Methods for Testing and Rating Terminal Reheat Units for Air Distribution Systems - Part 2: Acoustic Testing and Rating
Includes all amendments and changes through Reaffirmation Notice , December 1, 2012
Page Count:26
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Methods of testing and rating for static terminal attenuation; sound generation, upstream and downstream of the unit; radiation of sound from the casing.