INFORMATION RETRIEVAL DEVICE,申请号JP19900306696-传众专利搜索

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发明名称	INFORMATION RETRIEVAL DEVICE
摘要
申请公布号	JPH04177332(A)	申请公布日期	1992.06.24
申请号	JP19900306696	申请日期	1990.11.13
申请人	CANON INC	发明人	SUGITA YASUTOSHI
分类号	G03B21/11	主分类号	G03B21/11
代理机构		代理人
主权项
地址

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