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HU9200894D0
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Layer-system for increasing the stability of railway beds
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HU911332D0
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Environment-friendly anti-corrosive and scale solving detergent
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HU903318D0
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Method for building railway track
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HUT54430A
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Hierarchic communication computer network with distributed database as well as method fo performing data traffic of said network
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HUH3525A
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Apparatus for brake-technical preparing train before starting
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HUT48923A
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Apparatus for measuring or controlling the geometric characteristics of track
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HUT50978A
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Method and device for detecting joint quality of the tight fitted mechanical members
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HUT60862A
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Method and device for measuring gross mass of raiway vehicles per wheal while advancement of the vehicles
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HUT44635A
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Measuring method and apparatus for qualifying the condition of railway tracks
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HU193852B
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Railway-service data processing and car informing system
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HUT43126A
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Method for securing the stability of earthworks and/or natural hill-sides
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DE2439468A1
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Appts. checking braking device on test stands - with duplicate graph recorder esp. for compressed-air rail brakes
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YU286871A
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Arrangement for detecting surfaces damaged by railroad vehicle wheels
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