Improvements in or relating to photographic roll films,申请号GB19350002969-传众专利搜索

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发明名称	Improvements in or relating to photographic roll films
摘要
申请公布号	GB469653(A)	申请公布日期	1937.07.29
申请号	GB19350002969	申请日期	1936.01.29
申请人	NOEL PEMBERTON BILLING	发明人
分类号	G03C3/02	主分类号	G03C3/02
代理机构		代理人
主权项
地址

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