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B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
B60B17/00—Wheels characterised by rail-engaging elements
B60B17/0006—Construction of wheel bodies, e.g. disc wheels
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FR657914D1927-12-031927-12-03Perfectionnements apportés aux roues à disque pour matériel roulant de chemins de fer ou autres applications
ExpiredFR657914A
(fr)