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发明名称
摘要
申请公布号	SU408084(A1)	申请公布日期	1973.12.10
申请号	SU19721749221	申请日期	1972.02.17
申请人		发明人
分类号	B21J5/04;F16J9/00;F16J15/46;(IPC1-7):F16J9/00	主分类号	B21J5/04
代理机构		代理人
主权项
地址

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