Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B62
LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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B62B
HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
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2301/00
Wheel arrangements; Steering; Stability; Wheel suspension
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B62B2301/04
comprising a wheel pivotable about a substantially vertical axis, e.g. swivelling castors
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