Advanced system for the installation of wire-climbing lifting devices on hollow towers
An advanced system for the installation of wire-climbing lifting devices on hollow towers is presented. This system allows two positions easily alternated by the operator of the installation: a resting position, in which the wires (5) are hidden inside the tower (1) and a maintaining position in whi...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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