ELECTRONIC PROJECTOR DEVICE,申请号JP19870228575-传众专利搜索

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发明名称	ELECTRONIC PROJECTOR DEVICE
摘要
申请公布号	JPS6473375(A)	申请公布日期	1989.03.17
申请号	JP19870228575	申请日期	1987.09.14
申请人	RICOH CO LTD	发明人	KOGURE MASAAKI
分类号	G03B21/132;G03G15/22	主分类号	G03B21/132
代理机构		代理人
主权项
地址

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