| 摘要 |
PROBLEM TO BE SOLVED: To provide a toothbrush enabling the effective removal or decrease of oral odor. SOLUTION: The toothbrush comprises a grip part 20, a handle 30 fitted to the tip of the grip part 20, and a brush part 40 arranged on the tip of the handle 30. The handle 30 is manufactured by using high-purity stainless steel. COPYRIGHT: (C)2006,JPO&NCIPI
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