Spring pressed toothbrush,申请号US19500142589-传众专利搜索

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发明名称	Spring pressed toothbrush
摘要
申请公布号	US2588601(A)	申请公布日期	1952.03.11
申请号	US19500142589	申请日期	1950.02.06
申请人	ZAVAGNO ALFRED E	发明人	ZAVAGNO ALFRED E.
分类号	A46B9/04	主分类号	A46B9/04
代理机构		代理人
主权项
地址

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