Motor driven toothbrush,申请号US19390258795-传众专利搜索

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发明名称	Motor driven toothbrush
摘要
申请公布号	US2215031(A)	申请公布日期	1940.09.17
申请号	US19390258795	申请日期	1939.02.27
申请人	NEAL ELMORE	发明人	ELMORE NEAL
分类号	A61C17/26	主分类号	A61C17/26
代理机构		代理人
主权项
地址

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