Automatic focus mechanism,申请号US19560577182-传众专利搜索

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发明名称	Automatic focus mechanism
摘要
申请公布号	US2922351(A)	申请公布日期	1960.01.26
申请号	US19560577182	申请日期	1956.04.09
申请人	HERING KARL W	发明人	HERING KARL W.
分类号	G02B7/30;G03B7/22	主分类号	G02B7/30
代理机构		代理人
主权项
地址

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