Improvements in photographic cameras,申请号GB19300010817-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	GB348816(A)	申请公布日期	1931.05.21
申请号	GB19300010817	申请日期	1930.04.04
申请人	GEORGE CHASE BEIDLER	发明人
分类号	G03B27/58	主分类号	G03B27/58
代理机构		代理人
主权项
地址

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