TREA

ELECTRIC COMMUNICATION TECHNIQUE

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Industry

  • CPC
  • H04

Parent Industries

HELECTRICITY

Current Industry

H04Electric communication

Sub Industries

H04BTRANSMISSION H04HBROADCAST COMMUNICATION H04JMULTIPLEX COMMUNICATION H04KSECRET COMMUNICATION JAMMING OF COMMUNICATION H04LTRANSMISSION OF DIGITAL INFORMATION H04MTELEPHONIC COMMUNICATION H04NPICTORIAL COMMUNICATION H04QSELECTING H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS DEAF-AID SETS PUBLIC ADDRESS SYSTEMS H04SSTEREOPHONIC SYSTEMS H04TINDEXING SCHEME RELATING TO STANDARDS FOR ELECTRIC COMMUNICATION TECHNIQUE H04WWIRELESS COMMUNICATIONS NETWORKS
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