[ Power-operated lifting equipment, machines, and devices, namely, ] hoists and winches; effort alleviation devices, in particular for weight relief, comprising a belt, a driving engine, a control for said engine, and a pulley, namely, equipment designed to assist an operator for going up and down a ladder or similar structure, said equipment fitted on said ladder or similar structure, comprising a motor, a belt passing around an upper and a lower pulley, one of such pulleys being connected to said motor by a friction device [ ; elevator platforms, mechanically driven in the vertical direction, namely, elevating work platforms ]

'allevi':14 'around':67 'assist':39 'belt':23,65 'compris':21,61 'connect':79 'control':28 'design':37 'devic':8,15,86 'direct':94 'drive':25 'driven':90 'effort':13 'elev':87,96 'engin':26,31 'equip':5,36,53 'fit':54 'friction':85 'go':43 'hoist':10 'ladder':48,57 'lift':4 'lower':72 'machin':6 'mechan':89 'motor':63,82 'name':9,35,95 'one':74 'oper':3,41 'particular':17 'pass':66 'platform':88,98 'power':2 'power-oper':1 'pulley':34,73,77 'relief':20 'said':30,52,56,81 'similar':50,59 'structur':51,60 'upper':69 'vertic':93 'weight':19 'winch':12 'work':97

TRACTELIFT

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