4. Geometrical instruments

Andre Parrier

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Electrical detection, safety and selection circuits

Electricity: electrical systems and devices – Safety and protection of systems and devices – Ground fault protection
Patent

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Multiple-pane window comprising a fluid filter curtain

Static structures (e.g. – buildings) – Viewing port for specific environment
Patent

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Safety electric connector

Geometrical instruments
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Security apparatus for the protection of electric machines

Electricity: electrical systems and devices – Safety and protection of systems and devices – Ground fault protection
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Profile ID: LFUS-PAI-P-16024

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