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

Roger Case

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Automatic ball thrower

Games using tangible projectile – Bowling – Ball handling or diverting means
Reexamination Certificate

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Moulded case circuit breaker

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

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Multi-pole circuit breaker with interchangeable magneto-thermal

Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Automatic circuit-interrupting devices
Patent

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Operating mechanism of a low voltage electric circuit breaker

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

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Profile ID: LFUS-PAI-P-1090842

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