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US20080149782 Wheel detection and classification system for railroad data network  
A system for detecting and classifying a wheel of a rail vehicle traveling on a railway track includes a plurality of wheel detectors coupled to one rail of the railway track and configured to...
US20070278355 Signage Construction Method and Apparatus  
A sign (20) for viewing by persons in a traffic area accessible by the random passage of persons through the area, the sign (20) including a label (22) formed of a thin layer of plastic material...
US20170183829 VERTICAL SWITCHING IN A MAGNETIC LEVITATION GUIDEWAY TRANSPORTATION SYSTEM  
A track switch for a magnetic levitation transport system includes a trunk segment of track, an upper branch segment of track, a lower branch segment of track, and a divergent zone. The divergent...
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