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发明名称
摘要
申请公布号	SU427440(A1)	申请公布日期	1974.05.05
申请号	SU19721799764	申请日期	1972.06.16
申请人		发明人
分类号	H02H11/00;(IPC1-7):H02H11/00	主分类号	H02H11/00
代理机构		代理人
主权项
地址

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