Improvements in spools for photographic cameras,申请号GB19340030319-传众专利搜索

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发明名称	Improvements in spools for photographic cameras
摘要
申请公布号	GB445945(A)	申请公布日期	1936.04.22
申请号	GB19340030319	申请日期	1934.10.23
申请人	GEORGE LEWIS ROSSER	发明人
分类号	G03B17/30	主分类号	G03B17/30
代理机构		代理人
主权项
地址

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