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发明名称
VOLTAGE REGULATING APPARATUS FOR ALTERNATING ELECTRIC CURRENT CIRCUITS
摘要
申请公布号
CA490091(A)
申请公布日期
1953.01.27
申请号
CAD490091
申请日期
申请人
WESTINGHOUSE BRAKE 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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