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发明名称
摘要
申请公布号
JP3552563(B2)
申请公布日期
2004.08.11
申请号
JP19980367128
申请日期
1998.12.24
申请人
发明人
分类号
B21B45/02;C21D1/00;C21D9/00;(IPC1-7):B21B45/02
主分类号
B21B45/02
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