TREA

Digital PA systems using

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Industry

  • CPC
  • H04R2227/003
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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 H04R2227/00Details of public address [PA] systems covered by H04R27/00 but not provided for in any of its subgroups

Current Industry

H04R2227/003Digital PA systems using
Industries