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申请公布号
JP3111462(B2)
申请公布日期
2000.11.20
申请号
JP19900190961
申请日期
1990.07.19
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发明人
分类号
C21D9/48;C21D8/04;C22C38/00;C22C38/14;(IPC1-7):C21D9/48
主分类号
C21D9/48
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