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发明名称
摘要
申请公布号
JPS5758428(B2)
申请公布日期
1982.12.09
申请号
JP19780068784
申请日期
1978.06.09
申请人
NIPPON STEEL CORP
发明人
OTOGURO YASUO;SHIOZUKA KAZUHIDE
分类号
C22C38/00;C22C38/12
主分类号
C22C38/00
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