Cam focusing system for optical instruments,申请号US19630300882-传众专利搜索

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发明名称	Cam focusing system for optical instruments
摘要
申请公布号	US3336831(A)	申请公布日期	1967.08.22
申请号	US19630300882	申请日期	1963.08.08
申请人	UNERTL JR JOHN	发明人	JR. JOHN UNERTL,
分类号	G02B7/28	主分类号	G02B7/28
代理机构		代理人
主权项
地址

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