Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B66
HOISTING; LIFTING; HAULING
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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
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9/00
Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
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B66F9/02
Stationary loaders or unloaders, e.g. for sacks
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B66F9/04
hydraulically actuated or controlled
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