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发明名称
MONOLITHIC ELECTRODE FOR ELECTRON TUBES
摘要
申请公布号
US3463978(A)
申请公布日期
1969.08.26
申请号
USD3463978
申请日期
1966.12.22
申请人
MACHLETT LAB. INC.:THE
发明人
PETER F. VARADI
分类号
H01J21/02;H01J21/36;(IPC1-7):H01J1/88;H01J19/12
主分类号
H01J21/02
代理机构
代理人
主权项
地址
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