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法人/股东/高管

发明名称
摘要
申请公布号	SU457111(A2)	申请公布日期	1975.01.15
申请号	SU19711712385	申请日期	1971.11.09
申请人		发明人
分类号	H01F30/14;H02M5/14;(IPC1-7):H01F33/02	主分类号	H01F30/14
代理机构		代理人
主权项
地址

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