4. Telephonic communications
  5. Diagnostic testing, malfunction indication, or electrical...
  6. Of trunk or long line

Telefonica de Espana

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Public modular-telephone management system

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Of trunk or long line
Patent

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System for operating public modular telephones

Telephonic communications – With usage measurement – Call traffic recording by computer or control processor
Patent

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Universal access optical fiber junction box

Optical waveguides – Accessories – Splice box and surplus fiber storage/trays/organizers/ carriers
Patent

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Profile ID: LFUS-PAI-P-568932

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