| 摘要 |
PURPOSE: A notice board with transparent both sides is provided, thereby, one can utilize its both sides by inserting two posters one over the other unlike existing notice boards. CONSTITUTION: A notice board with transparent both sides comprises the parts of (i) poles(3) that support the whole notice board; (ii) concrete bases; (iii) a transparent board(2) that has columns in a fixed interval; and (iv) a transparent part(1) for commercial advertisements to charge production cost to advertisers.
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