| 摘要 |
PROBLEM TO BE SOLVED: To provide an eraser with a size and a shape close to a new article with which it is always easy to erase from the beginning to the end of use with less expenditure than a usual case. SOLUTION: An article having no function of the eraser such as a plastic, for example the plastic 2, is added to the eraser 1 in order to increase the bulkiness and the volume of the eraser. COPYRIGHT: (C)2006,JPO&NCIPI
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