Improvements in or relating to photography,申请号GB19470002760-传众专利搜索

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发明名称	Improvements in or relating to photography
摘要
申请公布号	GB684591(A)	申请公布日期	1952.12.24
申请号	GB19470002760	申请日期	1947.01.29
申请人	INTERNATIONAL POLAROID CORPORATION	发明人
分类号	G03B17/52	主分类号	G03B17/52
代理机构		代理人
主权项
地址

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