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发明名称
摘要
申请公布号	JPS5726908(U)	申请公布日期	1982.02.12
申请号	JP19800102942U	申请日期	1980.07.21
申请人		发明人
分类号	B21B37/48;B21B37/00;(IPC1-7):B21B37/00	主分类号	B21B37/48
代理机构		代理人
主权项
地址

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