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CPC Subgroup
H04R 1/28

Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means

Full Title

Details of transducers, > Arrangements for obtaining desired frequency or directional characteristics (for stereophonic purpose H04R5/00) > for obtaining desired frequency characteristic only > Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means

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