ELECTRIC VALVE FREQUENCY CONVERTING SYSTEM,申请号CAD401473-传众专利搜索

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发明名称	ELECTRIC VALVE FREQUENCY CONVERTING SYSTEM
摘要
申请公布号	CA401473(A)	申请公布日期	1941.12.16
申请号	CAD401473	申请日期
申请人	CANADIAN GENERAL ELECTRIC COMPANY	发明人	ERNST F. W. ALEXANDERSON
分类号		主分类号
代理机构		代理人
主权项
地址

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