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发明名称
摘要
申请公布号	SU416217(A1)	申请公布日期	1974.02.25
申请号	SU19721753288	申请日期	1972.02.29
申请人		发明人
分类号	B23Q41/00;B21H7/06;(IPC1-7):B23Q41/00	主分类号	B23Q41/00
代理机构		代理人
主权项
地址

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