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Insulating gas High-voltage gas-insulated switchgear Recovery of Polluted price

WO2015040069A1 - Gas-insulated medium or high voltage ... present invention relates to a medium or high voltage electrical apparatus including a sealed enclosure in which electrical components and a gaseous mixture are located, which ensure the electrical insulation and/or the extinction of the electrical arcs that likely to occur in said enclosure, the gaseous mixture including heptafluoroisobutyronitrile, carbon dioxide and oxygen in small ...

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