Dental cleaning spray,申请号US19390295393-传众专利搜索

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发明名称	Dental cleaning spray
摘要
申请公布号	US2208032(A)	申请公布日期	1940.07.16
申请号	US19390295393	申请日期	1939.09.18
申请人	HAROLD A. HOOPER	发明人	HOOPER WILLIAM J.
分类号	A61C17/02;A61C17/032	主分类号	A61C17/02
代理机构		代理人
主权项
地址

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