Automatic exposure control with an intermittent needle entrapment,申请号US19580780716-传众专利搜索

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发明名称	Automatic exposure control with an intermittent needle entrapment
摘要
申请公布号	US3066587(A)	申请公布日期	1962.12.04
申请号	US19580780716	申请日期	1958.12.16
申请人	BELL & HOWELL COMPANY	发明人	JR. MERVIN W. LA RUE,
分类号	G03B7/12	主分类号	G03B7/12
代理机构		代理人
主权项
地址

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