TREA

Diaphragm extensions, not necessarily integrally formed

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Industry

  • CPC
  • H04R2207/021
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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 H04R2207/00Details of diaphragms or cones for electromechanical transducers or their suspension covered by H04R7/00 but not provided for in H04R7/00 or in H04R2307/00

Current Industry

H04R2207/021Diaphragm extensions, not necessarily integrally formed
Industries