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发明名称
摘要
申请公布号
JPS609588(B2)
申请公布日期
1985.03.11
申请号
JP19800041173
申请日期
1980.04.01
申请人
NIPPON STEEL CORP
发明人
WATANABE TSUNEYASU;MASUDA KAZUHIRO;SATO MAKOTO;TODOROKI RIICHI;SEKIGUCHI SUSUMU
分类号
C22C38/00;C22C38/16;C22C38/60
主分类号
C22C38/00
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代理人
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