| 摘要 |
PURPOSE: A box is provided to prevent a cover from being lost by opening and closing a cover which is coupled with a main body by a hinge part, thereby preventing a cover from being separated from a main body during opening the cover. CONSTITUTION: A box comprises a main body(10), a first cover(52), and a second cover. The main body has an installation unit(10') and two or more joints(20). A hinge part(62) is formed on one side of the first and the second cover and overlapping portions(72,82) are formed on the other side. The hinge part is coupled with the coupling part formed on one side and the other side of the main body. The first overlapping portion is stepped. The second overlapping section corresponds to the first overlapping portion. The second cover opens and closes the installation part of the main body with first cover.
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