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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33/00
Castors in general;; Anti-clogging castors
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B60B33/006
characterised by details of the swivel mechanism
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B60B33/0065
characterised by details of the swivel axis
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B60B33/0076
the swivel axis being offset laterally from wheel center plane
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