ALTERNATING CURRENT VOLTAGE REGULATING APPARATUS,申请号CAD390871-传众专利搜索

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发明名称	ALTERNATING CURRENT VOLTAGE REGULATING APPARATUS
摘要
申请公布号	CA390871(A)	申请公布日期	1940.08.20
申请号	CAD390871	申请日期
申请人	THE UNION SWITCH AND SIGNAL COMPANY	发明人	ALEC HERVEY BENNETT WALKER
分类号		主分类号
代理机构		代理人
主权项
地址

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