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ES286275A1
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Improvements introduced in the devices for the controlled gripping of all classes (Machine-translation by Google Translate, not legally binding)
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ES283482A2
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Automatic signaling device and control unit operated by railway vehicle pass (Machine-translation by Google Translate, not legally binding)
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ES233003A1
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System for the control and regulation of railway circulation (Machine-translation by Google Translate, not legally binding)
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ES233004A1
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System of regulation of the circulation of railway or similar vehicles (Machine-translation by Google Translate, not legally binding)
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ES191316A1
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A device of mechanical control without dead points
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ES190507A1
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Improvements introduced in the mono-phyphasic groups for the transformation of frequency and phase
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ES182571A1
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Improvements in the equipment for starting electric motors
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ES182578A1
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Improvements in electric locomotives
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ES182577A1
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Electrical traction equipment
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ES182573A1
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Device that allows to vary the intensity of the starting current of the electric motors of an automotive depending on the charge of the vehicle
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ES182574A1
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Equipment for electric drive and reposstatic braking
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ES182575A1
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System of signaling and elimination of defective circuits
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ES182572A1
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Equipment of counters, driven by camshaft, for the control of electric motors
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ES182576A1
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Improvements in distances commanded distances
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ES182570A1
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Improvements in the automatic command of electric locomotives
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