Oral root divider,申请号US19350050327-传众专利搜索

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发明名称	Oral root divider
摘要
申请公布号	US2154751(A)	申请公布日期	1939.04.18
申请号	US19350050327	申请日期	1935.11.18
申请人	HOSKINS GEORGE A	发明人	HOSKINS GEORGE A.
分类号	A61C3/14	主分类号	A61C3/14
代理机构		代理人
主权项
地址

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