Electric valve circuits,申请号US19330663984-传众专利搜索

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发明名称	Electric valve circuits
摘要
申请公布号	US1961024(A)	申请公布日期	1934.05.29
申请号	US19330663984	申请日期	1933.04.01
申请人	GENERAL ELECTRIC COMPANY	发明人	WHITNEY CHANCY F.
分类号	H02M7/06	主分类号	H02M7/06
代理机构		代理人
主权项
地址

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