Shoulder preparation of teeth,申请号US19550521761-传众专利搜索

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发明名称	Shoulder preparation of teeth
摘要
申请公布号	US2828544(A)	申请公布日期	1958.04.01
申请号	US19550521761	申请日期	1955.07.13
申请人	ASHKIN WILLIAM C	发明人	ASHKIN WILLIAM C.
分类号	A61C1/08;A61C3/06	主分类号	A61C1/08
代理机构		代理人
主权项
地址

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