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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
B61F15/00—Axle-boxes
B61F15/20—Details
B61F15/22—Sealing means preventing entrance of dust or leakage of oil
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FR372859D1906-02-141906-12-22Perfectionnements aux coussinets et boites à graisse pour tourillons d'essieux
ExpiredFR372859A
(fr)