Photographic apparatus,申请号US19510236404-传众专利搜索

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发明名称	Photographic apparatus
摘要
申请公布号	US2697961(A)	申请公布日期	1954.12.28
申请号	US19510236404	申请日期	1951.07.12
申请人	POLAROID CORPORATION	发明人	CASSELMAN ROBERT C.;ELORANTA VAITO K.
分类号	G03B27/32	主分类号	G03B27/32
代理机构		代理人
主权项
地址

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