Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
Load children
B60
VEHICLES IN GENERAL
Load children
B60B
VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
Load children
B60B21/10
characterised by the form of tyre-seat or flange, e.g. corrugated
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B60B21/102
the shape of bead seats
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