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发明名称
INFORMATION RETRIEVING DEVICE
摘要
申请公布号
JPH01164934(A)
申请公布日期
1989.06.29
申请号
JP19870323292
申请日期
1987.12.21
申请人
CANON INC
发明人
YANAGAWA HITOSHI;OKINO TAKEHIKO
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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