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发明名称
Indirectly heated cathode
摘要
申请公布号
US2436907(A)
申请公布日期
1948.03.02
申请号
US19450601119
申请日期
1945.06.23
申请人
THE UNITED STATES OF AMERICA, AS REPRESENTED BY THE SECRETARY OF WAR
发明人
TRIMBLE RUSSELL F.
分类号
H01J1/22
主分类号
H01J1/22
代理机构
代理人
主权项
地址
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