IMPROVEMENTS IN AND RELATING TO PHOTOGRAPHIC EXPOSURE ARRANGEMENTS,申请号GB19690013111-传众专利搜索

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发明名称	IMPROVEMENTS IN AND RELATING TO PHOTOGRAPHIC EXPOSURE ARRANGEMENTS
摘要
申请公布号	GB1210055(A)	申请公布日期	1970.10.28
申请号	GB19690013111	申请日期	1969.03.12
申请人	KABUSHIKI KAISHA RICOH	发明人
分类号	G03B27/52	主分类号	G03B27/52
代理机构		代理人
主权项
地址

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