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发明名称
摘要
申请公布号	SU426768(A1)	申请公布日期	1974.05.05
申请号	SU19721773439	申请日期	1972.04.17
申请人		发明人
分类号	B23K3/00;(IPC1-7):B23K3/00	主分类号	B23K3/00
代理机构		代理人
主权项
地址

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