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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5/00
Accessories or details specially adapted for hand carts
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B62B5/04
Braking mechanisms; Locking devices against movement
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B62B5/0442
using a handle bar alone
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