IMPROVEMENTS IN AND RELATING TO FILM PROJECTORS,申请号GB19690035503-传众专利搜索

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发明名称	IMPROVEMENTS IN AND RELATING TO FILM PROJECTORS
摘要
申请公布号	GB1210908(A)	申请公布日期	1970.11.04
申请号	GB19690035503	申请日期	1969.07.15
申请人	KABUSHIKI KAISHA RICOH	发明人
分类号	G03B21/43	主分类号	G03B21/43
代理机构		代理人
主权项
地址

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