ThyssenKrupp Unveils Its Rope-Free MULTI Elevator at Rottweil
CONFIRMED83% CONFIDENCEHappened as dated, per the source[1]: "MULTI made its global debut as a fully functional unit on 22 June 2017".
ThyssenKrupp demonstrates a working prototype of MULTI, a cable-free elevator that moves sideways as well as up and down, inside its purpose-built German test tower.
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