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发明名称
SELENIUM RECTIFIER MANUFACTURE
摘要
申请公布号
CA416625(A)
申请公布日期
1943.11.23
申请号
CAD416625
申请日期
申请人
THE UNION SWITCH AND SIGNAL COMPANY;WESTINGHOUSE BRAKE AND SIGNAL COMPANY
发明人
LESLIE ERNEST THOMPSON
分类号
主分类号
代理机构
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