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摘要
申请公布号
JP2816008(B2)
申请公布日期
1998.10.27
申请号
JP19900264453
申请日期
1990.10.02
申请人
发明人
分类号
C21D8/00;C22C38/00;C22C38/14;(IPC1-7):C22C38/00
主分类号
C21D8/00
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