Dental vacuum apparatus,申请号US19570670800-传众专利搜索

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发明名称	Dental vacuum apparatus
摘要
申请公布号	US2895220(A)	申请公布日期	1959.07.21
申请号	US19570670800	申请日期	1957.07.09
申请人	JOHNSTON REECE W;CHANDLER HAGAN H	发明人	JOHNSTON REECE W.;CHANDLER HAGAN H.
分类号	A61C17/06;A61C17/14;G01F23/24	主分类号	A61C17/06
代理机构		代理人
主权项
地址

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