4. Electrical transmission or interconnection systems
  5. Switching systems
  6. Plural switches

Gerhard Ehrlich

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Apparatus for fail-safely disconnecting an electrical load;...

Electricity: electrical systems and devices – Safety and protection of systems and devices – Feeder protection in distribution networks
Reexamination Certificate

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Safety switching apparatus for safely disconnecting an...

Electrical transmission or interconnection systems – Personnel safety or limit control features
Reexamination Certificate

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Safety switching apparatus having a first and a second input...

Electrical transmission or interconnection systems – Switching systems – Plural switches
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2755233

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