| 摘要 |
PROBLEM TO BE SOLVED: To provide a foldable support which is composed of a plurality of round pipes installed at so-called events such as a festival and a concert, and which can minimize a space required for transportation and storage. SOLUTION: A diagonal bar 2 has a rotatable structure, and sides of diagonal lines of the respective round pipes 1 can be aligned with each other so that the support can be folded. COPYRIGHT: (C)2004,JPO
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