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B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
B60B17/00—Wheels characterised by rail-engaging elements
B60B17/0027—Resilient wheels, e.g. resilient hubs
B60B17/0051—Resilient wheels, e.g. resilient hubs using fluid
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FR772041D1933-07-191933-07-19Perfectionnements aux roues pour véhicules de voies ferrées, avec bandages pneumatiques et métalliques combinés
ExpiredFR772041A
(fr)