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发明名称
摘要
申请公布号	JP2992784(B2)	申请公布日期	1999.12.20
申请号	JP19920012411	申请日期	1992.01.27
申请人	YAMADA DOBII KK	发明人	ICHANAGI HAJIME
分类号	B21C47/18;B21C47/34;B21D43/00;(IPC1-7):B21D43/00	主分类号	B21C47/18
代理机构		代理人
主权项
地址

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