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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B60B33/02
with disengageable swivel action; , i.e. comprising a swivel locking mechanism
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B60B33/025
by using form-fit, e.g. front teeth
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