4. Electricity: measuring and testing
  5. Measuring, testing, or sensing electricity, per se
  6. Polyphase

Naotoshi Takaoka

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Overcurrent condition display

Communications: electrical – Condition responsive indicating system – Specific condition
Patent

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Voltage sensor

Electricity: measuring and testing – Electrostatic field
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Zero-phase-sequence voltage sensing apparatus

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Polyphase
Patent

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Profile ID: LFUS-PAI-P-187341

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