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Class Information
Number: 181/183
Name: Acoustics > Sound-modifying means > Intensifying horn > With resonant chamber > Double wall
Description: Subject matter wherein the resonant chamber lies between at least part of a side of the horn and a second structure substantially parallel to that part of the horn.










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6836239 Method and system for displaying text on a radial display Dec. 28, 2004
6001132 Preparation of aqueous solutions suitable for finishing cellulose containing textile materials Dec. 14, 1999











 
 
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