| 摘要 |
PROBLEM TO BE SOLVED: To provide an eraser case which can easily expose the eraser from the case without cutting or folding the eraser case covering the eraser, is convenient for use and has a simple shape. SOLUTION: The eraser case 1 is characterized by providing a bellows section 3 or an expandable/contractible bellows section 3 on the eraser case 1 covering the surroundings of the eraser 2. COPYRIGHT: (C)2006,JPO&NCIPI
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