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发明名称
摘要
申请公布号
JP3366843(B2)
申请公布日期
2003.01.14
申请号
JP19970254990
申请日期
1997.09.19
申请人
发明人
分类号
B21B3/02;C21D8/02;C22C38/00;(IPC1-7):C22C38/00
主分类号
B21B3/02
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代理人
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