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发明名称
摘要
申请公布号	JPH0618655(Y2)	申请公布日期	1994.05.18
申请号	JP19880107956U	申请日期	1988.08.17
申请人		发明人
分类号	B21D24/00;B21D22/26;B21D24/04;B21D24/06;(IPC1-7):B21D24/00	主分类号	B21D24/00
代理机构		代理人
主权项
地址

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