Dental tool holder,申请号US19380248150-传众专利搜索

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发明名称	Dental tool holder
摘要
申请公布号	US2215222(A)	申请公布日期	1940.09.17
申请号	US19380248150	申请日期	1938.12.29
申请人	DUDLEY RESEARCH CORPORATION	发明人	LEVY DUDLEY D.
分类号	A61C1/07;A61C3/08	主分类号	A61C1/07
代理机构		代理人
主权项
地址

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