TREA

Aspects relating to mechanical or electronic switches or control elements in hearing aids

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Industry

  • CPC
  • H04R2225/61
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Parent Industries

HELECTRICITY H04Electric communication H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS DEAF-AID SETS PUBLIC ADDRESS SYSTEMS H04R2225/00Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups

Current Industry

H04R2225/61Aspects relating to mechanical or electronic switches or control elements in hearing aids
Industries