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CH640295A5
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Metal pole formed by a plurality of hollow elements
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CH638161A5
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Assembly comprising a pole and a support mounted so as to slide along this pole
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CH576569A5
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Working platform support structure - has telescopic tubular frames operated by cable winch
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CH565305A5
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Pole supporting a mobile load held by a cable - has an electric winch inside the base of the pole for controlling the cable
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ES276087A1
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An extensible mast support mechanism (Machine-translation by Google Translate, not legally binding)
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ES265302A3
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Device for illuminating an object (Machine-translation by Google Translate, not legally binding)
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