Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B60
VEHICLES IN GENERAL
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B60B
VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
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19/00
Wheels not otherwise provided for or having characteristics specified in one of the subgroups of this group
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B60B19/003
Multidirectional wheels
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