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发明名称
摘要
申请公布号
DE3538609(C2)
申请公布日期
1989.08.10
申请号
DE19853538609
申请日期
1985.10.30
申请人
NIPPON STEEL CORP., TOKIO/TOKYO, JP
发明人
YOSHITOMI, YASUNARI;KUROKI, KATSURO;IWAYAMA, KENZO, KITAKYUSHU, FUKUOKA, JP
分类号
C22C38/00;C21D8/12;C22C38/02;C22C38/60;H01F1/16
主分类号
C22C38/00
代理机构
代理人
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