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B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
B60B19/00—Wheels not otherwise provided for or having characteristics specified in one of the subgroups of this group
B60B19/06—Wheels not otherwise provided for or having characteristics specified in one of the subgroups of this group with compartments for fluid, packing or loading material; Buoyant wheels
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FR569172D1922-09-301922-09-30
Pneumatic wheel for pneumatic tires
ExpiredFR569172A
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