4. Telephonic communications
  5. With check operated control
  6. At terminal station

Hwang-Sub Kwon

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Power control apparatus of public telecommunication terminal

Telephonic communications – Telephone line or system combined with diverse electrical... – Remote control
Reexamination Certificate

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Public telephone with and method for cash payment function

Telephonic communications – With check operated control – At terminal station
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2695869

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