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
Load children
B60B21/06
characterised by means for attaching spokes; , i.e. spoke seats
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B60B21/064
characterised by shape of spoke mounting holes, e.g. elliptical or triangular
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