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发明名称
摘要
申请公布号
JPS5822523(B2)
申请公布日期
1983.05.10
申请号
JP19790007517
申请日期
1979.01.24
申请人
NIPPON STEEL CORP
发明人
IWAHASHI YOSHIO;IMAI HARUO
分类号
C21D9/00;C21D11/00
主分类号
C21D9/00
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