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发明名称
Electron tube cathode with nickel-tungsten alloy base and thin nickel coating
摘要
申请公布号
US3374385(A)
申请公布日期
1968.03.19
申请号
US19630294108
申请日期
1963.07.10
申请人
RADIO CORPORATION OF AMERICA
发明人
LATTIMER CHARLES T.
分类号
H01J1/14;H01J1/26
主分类号
H01J1/14
代理机构
代理人
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地址
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