,申请号SU19721842586-传众专利搜索

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发明名称
摘要
申请公布号	SU549871(A1)	申请公布日期	1977.03.05
申请号	SU19721842586	申请日期	1972.11.02
申请人		发明人
分类号	H02M7/537;H03K17/66;(IPC1-7):H02M7/53	主分类号	H02M7/537
代理机构		代理人
主权项
地址

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