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发明名称
AUTOMATIC CONVERSION SYSTEM FOR LITERATURE RETRIEVING KEY WORD
摘要
申请公布号
JPH02244275(A)
申请公布日期
1990.09.28
申请号
JP19890063660
申请日期
1989.03.17
申请人
HITACHI LTD
发明人
KURACHI TOSHIKATSU
分类号
G06F17/30
主分类号
G06F17/30
代理机构
代理人
主权项
地址
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