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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11/00
Lifting devices specially adapted for particular uses not otherwise provided for
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B66F11/04
for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
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B66F11/044
Working platforms suspended from booms
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