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发明名称
INFORMATION SEARCHING DEVICE
摘要
申请公布号
JPS5347744(A)
申请公布日期
1978.04.28
申请号
JP19760121886
申请日期
1976.10.13
申请人
HITACHI LTD
发明人
KOSEKI TAKASHI
分类号
G03B21/11;G06F17/30
主分类号
G03B21/11
代理机构
代理人
主权项
地址
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