Casings; Cabinets Mountings therein (H04R1/28 takes precedence )

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Details of transducers, > Casings; Cabinets Mountings therein (H04R1/28 takes precedence )

Child Classifications

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• H04R 1/021
• H04R 1/023
• H04R 1/025
• H04R 1/026
• H04R 1/028
• H04R 1/04 Structural association of microphone with electric circuitry therefor (in electric hearing aids H04R25/00)