4. Communications: electrical
  5. Condition responsive indicating system
  6. With particular system function

Kiyoaki Koyama

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Detected information display system in fire detecting system

Communications: electrical – Condition responsive indicating system – With particular system function
Reexamination Certificate

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Disaster prevention monitoring apparatus

Communications: electrical – Condition responsive indicating system – With particular system function
Patent

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Line fault monitoring apparatus

Electricity: electrical systems and devices – Safety and protection of systems and devices – Series connected sections with faulty section disconnect
Patent

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Profile ID: LFUS-PAI-P-1417684

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