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AT13115B
(en)
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Device for the transmission of electrical energy.
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DK3901C
(en)
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Transformer with rotating power supplies.
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DK5936C
(en)
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Electric Power Supply System for Railways.
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FR352785A
(en)
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Safety device against excess voltage, for electric cables
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CH25198A
(en)
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Electric transformer
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CH21600A
(en)
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Partial conductor power supply device for electric railways
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ES32090A1
(en)
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Improvements in the regulation systems of electric motors.
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DK3730C
(en)
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Conversion device for electric motors.
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CA84801A
(en)
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Electric protective system
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DK6379C
(en)
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Device for Switchgear for Electric Motors.
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DK4390C
(en)
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Device at Branch Boxes for Electrical Wires.
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CH75501A
(en)
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Electric transformer
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DK4010C
(en)
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Power supply device for electric watches and the like.
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CH19118A
(en)
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Above-ground power supply device for electric railways
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CH20833A
(en)
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Low-current line protection device for electric railways with overhead line operation
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ES33134A3
(en)
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Improvements in the insulators.
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DK906C
(en)
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Power supply device for electric Railways with underground Power cord.
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FR342186A
(en)
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Protective conduits for electrical conductors
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ES34911A1
(en)
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Improvements in the regulators of the electric motors.
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DK4079C
(en)
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Device for self-propelled protection devices for trams.
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DK4405C
(en)
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Power regulator.
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FR340158A
(en)
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Current supply protective bell for electric cable
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DK6773C
(en)
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Controls for Electric Motors.
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CH21816A
(en)
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Electric power distribution system
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ES21518A1
(en)
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Improvements in protective devices for electric meters.
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