Improvements in photographic cameras,申请号GB19470018856-传众专利搜索

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发明名称	Improvements in photographic cameras
摘要
申请公布号	GB639012(A)	申请公布日期	1950.06.21
申请号	GB19470018856	申请日期	1947.07.15
申请人	GENERAL ANILINE & FILM CORPORATION	发明人
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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