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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
B61F3/00—Types of bogies
B61F3/02—Types of bogies with more than one axle
B61F3/04—Types of bogies with more than one axle with driven axles or wheels
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FR629078D1926-12-011927-02-14Dispositif pour l'entraînement de l'essieu des voitures motrices roulant sur rails
ExpiredFR629078A
(fr)