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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B60B33/04
adjustable; , e.g. in height; linearly shifting castors
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B60B33/045
mounted resiliently, by means of dampers
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