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DK4876C
(en)
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Wiring system for electric tramways.
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DK4486C
(en)
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Regulator for electric railways.
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DK4924C
(en)
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Devices of electric signaling systems for railways.
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DK4513C
(en)
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Device for Electropneumatic Regulators for Electric Railways.
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CA88358A
(en)
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Wiring system
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DK4615C
(en)
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Lead protection for electrical systems.
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DK110C
(en)
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Block system for electric railways.
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CH26847A
(en)
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Electric conveyor system
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DK4557C
(en)
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Ventilation device for railway carriages.
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DK5270C
(en)
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Electric Railway System with Multiphase AC Operation.
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DK4485C
(en)
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Device for electro-pneumatic control systems for electric railways.
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DK4514C
(en)
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Device for electro-pneumatic control systems for electric railways.
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CA78014A
(en)
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Selective system
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ES30882A1
(en)
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Improvements in signaling devices for electric railways.
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FR326089A
(en)
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Insulating conduits
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CH27719A
(en)
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Conveyor system
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DK4620C
(en)
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Rail fastening device.
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CH26991A
(en)
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Telephone system
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DK4890C
(en)
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Electrical Cable.
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DK4982C
(en)
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Ball harp apparatus for installation at the unloading site.
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CA87599A
(en)
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Selective system
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DK5047C
(en)
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Support clamps for shipboats.
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ES29802A1
(en)
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Improvements in electrical distribution systems.
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ES30514A1
(en)
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Improvements in electrical distribution systems.
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DK5936C
(en)
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Electric Power Supply System for Railways.
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