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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
B61F3/06—Types of bogies with more than one axle with driven axles or wheels with three or more axles
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FR758798D1932-10-171932-10-17Bogie pour matériel roulant de chemin de fer et tramways
ExpiredFR758798A
(fr)