TREA

using constructional means for obtaining a desired frequency response

Follow

Industry

  • CPC
  • H04R25/48
This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

HELECTRICITY H04Electric communication H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS DEAF-AID SETS PUBLIC ADDRESS SYSTEMS H04R25/00Deaf-aid sets providing an auditory perception; Electric tinnitus maskers providing an auditory perception

Current Industry

H04R25/48using constructional means for obtaining a desired frequency response
Industries