Improvements in or relating to exposure meters for photographic cameras,申请号GB19330018936-传众专利搜索

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发明名称	Improvements in or relating to exposure meters for photographic cameras
摘要
申请公布号	GB405881(A)	申请公布日期	1934.02.15
申请号	GB19330018936	申请日期	1933.07.04
申请人	ERNST LEITZ, G.M.B.H.	发明人
分类号	G03B7/02	主分类号	G03B7/02
代理机构		代理人
主权项
地址

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