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发明名称
ELECTRON DISCHARGE DEVICES OF THE ELECTRON VELOCITY MODULATION TYPE
摘要
申请公布号
CA481987(A)
申请公布日期
1952.03.25
申请号
CAD481987
申请日期
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
JOHN HEAVER FREMLIN;ROGER NORMAN HALL
分类号
主分类号
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