TREA

Manual connection of one of the apparatus other than by putting a telephone off-hook

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Industry

  • CPC
  • H04N1/32752
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Parent Industries

HELECTRICITY H04Electric communication H04NPICTORIAL COMMUNICATION H04N1/00Scanning, transmission or reproduction of documents or the like

Current Industry

H04N1/32752Manual connection of one of the apparatus other than by putting a telephone off-hook
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