DK2739C
(en)
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Underground Power Supply with Two Independent Power Terminals for Electric Railways.
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DK2431C
(en)
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Power transfer device for electric Railways with underground Power supply.
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DK2462C
(en)
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Underground Power supply device for electric Railways (Tramways).
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DK1717C
(en)
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Underground Power Supply System for Electric Tramways.
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DK965C
(en)
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Partially isolated Power supply device for electric Lanes with underground Power supply.
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CH21830A
(en)
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Pantographs on electric railways with underground power supply
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DK3650C
(en)
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Power supply for electric Lanes with mechanically inserted Subconductors.
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DK2118C
(en)
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Humidity unaffected Power supply device for electric tracks with underground Power supply.
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CH24173A
(en)
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Extension of the route for electric railways with underground power supply
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CH25696A
(en)
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Pantographs on electric railways with above-ground power supply
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DK4134C
(en)
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Underground Power Supply for Electrical Lanes with Wiring Departments.
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CH19118A
(en)
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Above-ground power supply device for electric railways
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CH18323A
(en)
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Device for underground power supply to electric trams
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ES24415A1
(en)
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Improvements in the underground conductor electric trams.
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ES24265A1
(en)
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Improvements to electric lighting devices.
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CH19669A
(en)
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Electric railroad with contact bolt operation with underground power supply
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DK1631C
(en)
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Power supply device for electric tracks.
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CH27464A
(en)
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Transformer system in electrical railways operated with alternating current, to compensate for the voltage loss in the rail return line
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CH21516A
(en)
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Channel installation on electric railways with underground power supply
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ES27608A1
(en)
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Improvements in trolleys for electric trams.
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CH22061A
(en)
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Pantographs for electric railways with above-ground power supply
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ES25626A1
(en)
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Improvements in electric trams.
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DK10505C
(en)
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Power shutter for electric tramways with underground Power supply.
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CH17067A
(en)
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Power supply device for electric railways
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CH28160A
(en)
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Underground power supply system for electric railways
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