Protective means for electrical instrumentalities,申请号US19460662040-传众专利搜索

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发明名称	Protective means for electrical instrumentalities
摘要
申请公布号	US2509935(A)	申请公布日期	1950.05.30
申请号	US19460662040	申请日期	1946.04.13
申请人		发明人
分类号	H01F27/40	主分类号	H01F27/40
代理机构		代理人
主权项
地址

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