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PL425290A1
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Method for permanent adjustment of springy elements tension for applications in the conditions of dynamic loads
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PL418409A1
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Two-way coupling with permanent magnets
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PL417954A1
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Traffic safety barrier with a fuse
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PL417024A1
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Integrated system of a sensor for detecting the presence of the rail vehicle wheel
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PL415980A1
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Linear blocking system for MPE module
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PL412382A1
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Device for fastening wayside modules to railway rails
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PL411610A1
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Device for monitoring location of points and movable noses of rail vehicles
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PL386807A1
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System of connection of the self-acting highway crossing signalling devices with the station devices controlling the railway traffic
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PL379334A1
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Concentrator of transmission for counter system of acknowledgement of free tracks and turnouts
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PL378310A1
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Method and system for the control and monitoring of light source in the signal light
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