Photographic film holding device,申请号GB19470019729-传众专利搜索

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发明名称	Photographic film holding device
摘要
申请公布号	GB637817(A)	申请公布日期	1950.05.24
申请号	GB19470019729	申请日期	1947.07.23
申请人	PAKO CORPORATION	发明人
分类号	G03D13/12	主分类号	G03D13/12
代理机构		代理人
主权项
地址

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