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发明名称
摘要
申请公布号
JPS6239230(B2)
申请公布日期
1987.08.21
申请号
JP19830039442
申请日期
1983.03.10
申请人
NIPPON STEEL CORP
发明人
MATSUMURA GIICHI;YADA HIROSHI;KATO SEISHIRO
分类号
C22C38/00;C21D8/02;C22C38/04
主分类号
C22C38/00
代理机构
代理人
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