| 摘要 |
The sustaining framework is formed, according to shelter size, by one or more base units, each having, after mounting, an elongated mast which supports secondary structures perpendicular to the mast. - The mast (6) is made of easily retractable telescopic units sliding within each other and carries the secondary structures (7) which have joints and can be folded telescopically. Any mast movement is reciprocated in the secondary structures, both are made of tubes, and the walls, floors, doors, windows etc. are connected to both the mast and the secondary structures.(2/3)
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