4. Telephonic communications
  5. Centralized switching system
  6. Power supply

David W. Grimes

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Method and apparatus for attaching power line communications...

Communications: electrical – Systems – Selsyn type
Reexamination Certificate

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Method and apparatus for attaching power line communications...

Communications: electrical – Systems – Selsyn type
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Method and apparatus for attaching power line communications...

Communications: electrical – Systems – Selsyn type
Reexamination Certificate

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Power line telephony exchange

Telephonic communications – Centralized switching system – Power supply
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2638794

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