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发明名称
摘要
申请公布号	JP2000512910(A)	申请公布日期	2000.10.03
申请号	JP19980527569	申请日期	1997.12.19
申请人		发明人
分类号	B21B1/46;B21B1/00;B21B1/26;B22D11/12;C21D8/02;C21D8/04;(IPC1-7):B21B1/46	主分类号	B21B1/46
代理机构		代理人
主权项
地址

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