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摘要
申请公布号
JPH0447316(A)
申请公布日期
1992.02.17
申请号
JP19900154284
申请日期
1990.06.12
申请人
NIPPON STEEL CORP
发明人
OHIGATA NAOHARU
分类号
G06F3/02
主分类号
G06F3/02
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