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发明名称
摘要
申请公布号	JPH0761521(B2)	申请公布日期	1995.07.05
申请号	JP19870229946	申请日期	1987.09.16
申请人		发明人
分类号	B21J7/14;B21J9/02;B21J13/00;B21J13/03;(IPC1-7):B21J7/14	主分类号	B21J7/14
代理机构		代理人
主权项
地址

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