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发明名称
摘要
申请公布号	JPS5925333(U)	申请公布日期	1984.02.16
申请号	JP19820121495U	申请日期	1982.08.10
申请人		发明人
分类号	B21D43/11;B30B15/30;(IPC1-7):B21D43/11	主分类号	B21D43/11
代理机构		代理人
主权项
地址

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