4. Telegraphy
  5. Systems
  6. Printing

Juho Arras

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Method and apparatus for measuring the bit error frequency in a

Telegraphy – Systems – Printing
Patent

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Power down feed

Telephonic communications – Centralized switching system – Power supply
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Voltage shock protection circuit

Electricity: electrical systems and devices – Safety and protection of systems and devices – With specific voltage responsive fault sensor
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Profile ID: LFUS-PAI-P-955168

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