SINGLE KNOB CONTROL SEMIAUTOMATIC FOCUS DEVICE,申请号USD3620150-传众专利搜索

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发明名称	SINGLE KNOB CONTROL SEMIAUTOMATIC FOCUS DEVICE
摘要
申请公布号	US3620150(A)	申请公布日期	1971.11.16
申请号	USD3620150	申请日期	1969.12.30
申请人	BELL & HOWELL CO.	发明人	HENRY J. KOEBER
分类号	G03B13/36;G02B7/28;G03B3/02;G03B13/18;G03B13/20;G03B13/32;G03B21/53;G03B29/00;(IPC1-7):G03B13/20	主分类号	G03B13/36
代理机构		代理人
主权项
地址

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