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

Naoto Ogawa

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Bearing arrangement and indicating instrument using the same

Signals and indicators – Indicators – Rotary indicator with actuating means
Reexamination Certificate

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Cross-coil type indicating instrument

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With electromagnetic field
Reexamination Certificate

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Cross-coil type indicating instrument having a zero-return magne

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With electromagnetic field
Patent

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Profile ID: LFUS-PAI-P-1396404

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