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DK464C
(en)
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Power line systems for electric railways.
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DK5936C
(en)
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Electric Power Supply System for Railways.
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DK110C
(en)
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Block system for electric railways.
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ES19727A2
(en)
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A subaltern distribution system for power to electric trams.
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ES18894A1
(en)
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Improvements in electric railways.
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ES19535A1
(en)
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Improvements in electric railways.
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ES19674A1
(en)
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Improvements in electric railways.
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ES19702A1
(en)
|
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Improvements in electric railways.
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ES19870A1
(en)
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|
Improvements in electric railways.
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DK860C
(en)
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Power Brake.
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GB189619456A
(en)
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An Electric Traction System.
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DK512C
(en)
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Starting device for Trams.
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DK351C
(en)
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Electric Accumulator.
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DK602C
(en)
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Electric Accumulator.
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DK773C
(en)
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|
Electric Accumulator.
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CH12443A
(en)
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|
Improved power supply system for electric railways
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DK1717C
(en)
|
|
Underground Power Supply System for Electric Tramways.
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CH14755A
(en)
|
|
Power supply system for electric railways
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GB189608868A
(en)
|
|
An Improved Railway System.
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CH12265A
(en)
|
|
Power gas system
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CA53582A
(en)
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Electric railway system
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DK442C
(en)
|
|
Underground Power Line for Electrical Lanes.
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ES17344A1
(en)
|
|
Improvements in electric rail systems.
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DK525C
(en)
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Connecting cable for rail rails on electric tracks.
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ES18685A1
(en)
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A procedure for the distribution of power or electric propulsion.
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