Perfectionnements aux objectifs à quatre lentilles,申请号FRD951544-传众专利搜索

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发明名称	Perfectionnements aux objectifs à quatre lentilles
摘要
申请公布号	FR951544(A)	申请公布日期	1949.10.27
申请号	FRD951544	申请日期	1947.01.31
申请人	KODAK-PATHE	发明人
分类号	G02B9/44	主分类号	G02B9/44
代理机构		代理人
主权项
地址

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