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B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
B60B15/00—Wheels or wheel attachments designed for increasing traction
B60B15/26—Auxiliary wheels or rings with traction-increasing surface attachable to the main wheel body
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FR1163148D1955-11-191956-11-09
Additional wheel to be applied laterally to a driving wheel of a vehicle, in particular of an agricultural tractor
ExpiredFR1163148A
(en)