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发明名称
THERMIONIC DISCHARGE DEVICE CONTROL
摘要
申请公布号
CA348443(A)
申请公布日期
1935.02.26
申请号
CAD348443
申请日期
申请人
THE CANADIAN GENERAL ELECTRIC COMPANY
发明人
ALBERT W. HULL
分类号
主分类号
代理机构
代理人
主权项
地址
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