4. Electricity: circuit makers and breakers
  5. Electric switch details
  6. Contact

Howard E. Swanson

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Secondary surge arrester with isolating and indicating features

Electricity: electrical systems and devices – Safety and protection of systems and devices – High voltage dissipation
Patent

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Spring contact assembly for an electrical switch

Electricity: circuit makers and breakers – Electric switch details – Contact
Patent

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Profile ID: LFUS-PAI-P-1091033

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