Step-up switch,申请号US19380247207-传众专利搜索

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发明名称	Step-up switch
摘要
申请公布号	US2277411(A)	申请公布日期	1942.03.24
申请号	US19380247207	申请日期	1938.12.22
申请人	GUARDIAN ELECTRIC MFG. CO.	发明人	OBSZARNY THEDORE
分类号	H01H51/08;H01H67/06	主分类号	H01H51/08
代理机构		代理人
主权项
地址

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