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发明名称
DATA RETRIEVAL SYSTEM
摘要
申请公布号
JPH0554080(A)
申请公布日期
1993.03.05
申请号
JP19910217237
申请日期
1991.08.28
申请人
NIPPON HOSO KYOKAI <NHK>
发明人
KAWAI NAOKI;KAWAMOTO TARO
分类号
G06F17/30
主分类号
G06F17/30
代理机构
代理人
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