Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
Load children
B66
HOISTING; LIFTING; HAULING
Load children
B66F
HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
Load children
B66F2700/03
Lifting jacks with pinion and rack
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