Improvements in and relating to photographic cameras,申请号GB19320012833-传众专利搜索

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发明名称	Improvements in and relating to photographic cameras
摘要
申请公布号	GB400983(A)	申请公布日期	1933.11.06
申请号	GB19320012833	申请日期	1932.05.04
申请人	FRANCIS GEORGE KNIGHT	发明人
分类号	G03B13/20	主分类号	G03B13/20
代理机构		代理人
主权项
地址

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