| 摘要 |
PROBLEM TO BE SOLVED: To provide a system that simply holds CD's by engaging the center hole of the CD with each connecting part and that, as the whole structure, can simply display plural CDs all together indoors in an exposed state. SOLUTION: A unit holder which is a constituent unit of the system is formed with two parts of a male piece 2 and a female piece 3; the unit holder becomes expandable by making their handle parts 4, 5 engaged with each other; the unit holders become connectible to each other by fitting their core parts 7, 8 to each other; at each connecting part, there is a projecting member 10 that fits to the diameter of the CD center hole and that elastically engages with the inner edge of the center hole; the projecting member can simply hold a CD by applying its center zone having no information tracks along a supporting base; and each connecting part simply becomes fixable for example on an indoor wall by means of ready-made thumb tacks or screws through an attaching hole in the center of the male fitting part.
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