发明名称 Toothbrush having soft and hard bristles
摘要 <p>Longer bristles (1) are located at both edges while shorter bristles (2) are located at the central portion. The bristles are generally in a semicircular form at their top portions when viewed from either side. A difference in length between the long and short bristles ranges from 2 to 4 mm.</p>
申请公布号 EP1415572(A1) 申请公布日期 2004.05.06
申请号 EP20030011144 申请日期 2003.05.23
申请人 CJ CORPORATION;KWEON, YOUNG JUN;KWON, SUNG WOOK 发明人 CJ CORPORATION;KWEON, YOUNG JUN;KWON, SUNG WOOK
分类号 A46B9/04;A46B9/06;A61C17/22;(IPC1-7):A46B9/04 主分类号 A46B9/04
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