Improvements in or relating to photographic roll film cassettes,申请号GB19500023922-传众专利搜索

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发明名称	Improvements in or relating to photographic roll film cassettes
摘要
申请公布号	GB685241(A)	申请公布日期	1952.12.31
申请号	GB19500023922	申请日期	1950.09.29
申请人	KODAK LIMITED	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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