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发明名称
摘要
申请公布号	JP4118681(B2)	申请公布日期	2008.07.16
申请号	JP20020549398	申请日期	2000.12.13
申请人		发明人
分类号	B21B31/10;B21B13/00;B21B13/02	主分类号	B21B31/10
代理机构		代理人
主权项
地址

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