Safe voltage and current measurement system for high-voltage circuits of electric locomotive
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Method of alternative fire extinguishing for diesel locomotive equipment (versions)
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Antifriction lubricant
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Device for heating of point switch
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Method of determining frequency of maintenance of accumulator battery
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System of ice cooling by water magnetic treatment and filtration
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Method of striking balance of trade at oil storage depots and filling stations in oil product reception, storage and sale in oil product supply systems and system to this end
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Method and plant for microbiological treatment of soils contaminated by heavy metals and oil products (versions)
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Device for electric locomotive traction current control by conditions of electromagnetic comparability with phase-sensitive track circuits of railroad automatics (versions)
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Device to protect rectifier sets of traction substations against non-symmetrical external and internal short circuits
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Procedure for measuring thickness of gear teeth
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Method of increasing life of freight car truck cast parts
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Test bench for fatigue strength of above-spring beams of freight-car trucks
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Method of sleeper repair
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Double-way spring-friction absorbing apparatus
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Method to adjust adhesion of running stock wheels to rails
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Method to increase adhesion between rolling stock wheels and rails
