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发明名称
THERMIONIC VALVE CIRCUIT
摘要
申请公布号
CA459972(A)
申请公布日期
1949.09.27
申请号
CAD459972
申请日期
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
PRAFULLA KUMAR CHATTEJEA;CHARLES THOMAS SCULLY;LESLIE WILFRED HOUGHTON
分类号
主分类号
代理机构
代理人
主权项
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