A modular structure, configured to be connectable with a plurality of modular structures to form an enclosed transportation path, each modular structure including a bottom element structured and arranged to provide a track support surface and a plurality of upper element attachment structures, and an upper element configured to attach to the bottom element at the plurality of upper element attachment structures, wherein the upper element is structured to sealingly engage with the lower element.
MODULAR ENCLOSED TRANSPORTATION STRUCTURE AND INTEGRATED TRACK ASSEMBLY
2020-06-04
Patent
Elektronische Ressource
Englisch
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