Dental device for cheek retraction and saliva collection,申请号CH19770003408-传众专利搜索

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发明名称	Dental device for cheek retraction and saliva collection
摘要	Dental device for cheek retraction and saliva collection has pair of cheek retractor elements each comprising hook part for engaging patients lips
申请公布号	CH604679(A5)	申请公布日期	1978.09.15
申请号	CH19770003408	申请日期	1977.03.18
申请人	COHEN, MORTON;SILVERMAN, ELLIOTT	发明人	DR. MORTON COHEN;DR. ELLIOTT SILVERMAN
分类号	A61B1/24;A61C5/14	主分类号	A61B1/24
代理机构		代理人
主权项
地址

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