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RO126553A0
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Diesel-electric locomotive with a.c-a.c. transmission
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RO122085B1
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Electric circuit for connecting electric locomotives to the suspension wire
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RO122084B1
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Power circuit for electric locomotives having d.c. series motors
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RO122050B1
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System for starting diesel engines from railway vehicles
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RO122060B1
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Device for measuring traction force
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RO121978B1
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System for the control of charging voltage in secondary batteries with synchronous booster
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RO121977B1
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System for the control of charging voltage in secondary batteries with direct current booster
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RO121976B1
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System for charging the secondary batteries in electric locomotives le5100/3400 kw
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RO121635B1
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Actuating system for controlling and adjusting the speed of electric engines with six driving axles
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RO121576B1
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Speed measuring device
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RO121233B1
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System for starting the diesel engines on the railroad vehicles
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RO121192B1
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Driving systems for the auxiliary duties of the diesel electric locomotives
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RO121487B1
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Installation for producing compressed air for electrical-diesel locomotive
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RO121227B1
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Self-adjustment heater for switches
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RO121193B1
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Driving system for controlling and regulating the speed of electric engines with four driving axles
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RO120518B1
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System of static converters for supplying the auxiliary services of the electric railway traction engines
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RO120697B1
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System for monitoring, storing and transmitting information relating to the railway traction vehicle operation
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RO121377B1
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System regulating the magnetic flux of main electric traction generator
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RO120737B1
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Electronic converter for supplying lighting circuits and auxiliary services
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