Improvements to cassettes for photographic spool films,申请号GB19520012389-传众专利搜索

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发明名称	Improvements to cassettes for photographic spool films
摘要
申请公布号	GB708779(A)	申请公布日期	1954.05.12
申请号	GB19520012389	申请日期	1952.05.16
申请人	PIERRE ANDRE LUDOVIC POSSO	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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