| 摘要 |
PURPOSE: A table is provided to improve the coupling force regardless off thickness of an upper board. CONSTITUTION: A table comprises an upper plate(110), a lower frame(120), and a permanent magnet(130). The upper plate is formed into the shape of a flat board. The upper plate is able to be formed in various shapes like polygon, circle, and the like. The upper plate is assembled with the lower frame through the permanent magnet. The permanent magnet is installed on the bottom of the upper plate.
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