Exchangeable photographic objective,申请号US19580754671-传众专利搜索

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发明名称	Exchangeable photographic objective
摘要
申请公布号	US2997935(A)	申请公布日期	1961.08.29
申请号	US19580754671	申请日期	1958.08.12
申请人	PHOTOGRAMETRIE G. M. B. H.	发明人	SCHEFFOLD HERMANN
分类号	G03B3/02	主分类号	G03B3/02
代理机构		代理人
主权项
地址

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