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DK6776C
(en)
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Current dissipation device for galvanic precipitators.
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ES33509A1
(en)
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An electrical current limiting device.
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FR354159A
(en)
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Perfected Freloche
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ES34218A1
(en)
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A new electrical current limiting device.
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ES34386A1
(en)
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A new electrical current limiting device.
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DK6599C
(en)
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Device for electric tramway systems.
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ES35190A1
(en)
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An electric tool-impeller.
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FR343011A
(en)
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Current regulator
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CH32207A
(en)
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Galvanic element
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DK6930C
(en)
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Device for holding tightened nuts.
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DK6506C
(en)
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Time contact device.
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DK6562C
(en)
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Telephone connection device with quiescent current operation.
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ES34813A1
(en)
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An announcing device.
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FI2127A
(en)
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Current motor
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ES34212A1
(en)
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An Isolator-Fernández support device.
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ES33357A1
(en)
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Improvements in electrical signaling devices.
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DK6938C
(en)
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Device for Time Current Shutters.
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DK6462C
(en)
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Device for Transforming Electric Waves.
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DK6780C
(en)
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Electrical Warning Device for Indicating the Presence of Schools of Fish.
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CH31972A
(en)
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Electrical element
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DK6928C
(en)
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Device for Regulating Electric Compound Motors.
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AT23160B
(en)
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Electric train cover device.
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AT25659B
(en)
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High voltage cables.
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AT23505B
(en)
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Device for the sparkless interruption of power lines.
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DK6440C
(en)
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Suspension device for the working wire for electric tracks.
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