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B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
B61F9/00—Rail vehicles characterised by means for preventing derailing, e.g. by use of guide wheels
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FR467844A1913-05-211914-01-29
Device to prevent derailment of railway cars
ExpiredFR467844A
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