Diaphragm for photographic and other purposes,申请号US19630302906-传众专利搜索

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发明名称	Diaphragm for photographic and other purposes
摘要
申请公布号	US3250201(A)	申请公布日期	1966.05.10
申请号	US19630302906	申请日期	1963.08.19
申请人	COMPUR-WERK GESELLSCHAFT MIT BESCHRANKTER HAFTUNG & CO.	发明人	SINGER FRANZ
分类号	G03B9/07	主分类号	G03B9/07
代理机构		代理人
主权项
地址

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