Protection of distribution transformers against lightning,申请号US19310578300-传众专利搜索

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发明名称	Protection of distribution transformers against lightning
摘要
申请公布号	US1923727(A)	申请公布日期	1933.08.22
申请号	US19310578300	申请日期	1931.12.01
申请人		发明人
分类号	H01F27/40;H01T1/10	主分类号	H01F27/40
代理机构		代理人
主权项
地址

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