4. Electricity: circuit makers and breakers
  5. Liquid contact
  6. Time delay

Masao Horikawa

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Circuit breaker

Electricity: circuit makers and breakers – Toggle mechanisms
Patent

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Circuit interrupter

Electricity: circuit makers and breakers – Liquid contact – Time delay
Patent

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Drawer type circuit breaker with drawer contacts biased against

Electricity: circuit makers and breakers – Interlocking – Drawout-type switchgear
Patent

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Instantaneously tripping device for circuit interrupter

Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Tripping means
Patent

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Wrench having wrench sleeves reversible upside down

Tools – Wrench – screwdriver – or driver therefor – Handle clutched to head
Patent

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Profile ID: LFUS-PAI-P-316297

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