Ear cleaning instrument,申请号US19500146709-传众专利搜索

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发明名称	Ear cleaning instrument
摘要
申请公布号	US2569237(A)	申请公布日期	1951.09.25
申请号	US19500146709	申请日期	1950.02.28
申请人	HALL JOHN M	发明人	HALL JOHN M.
分类号	A61F11/00;A61F13/38	主分类号	A61F11/00
代理机构		代理人
主权项
地址

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