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发明名称
CATHODE SECONDARY EMITTER FOR CROSSED-FIELD TUBES
摘要
申请公布号
US3596131(A)
申请公布日期
1971.07.27
申请号
USD3596131
申请日期
1969.05.29
申请人
VARIAN ASSOCIATES
发明人
ANDREW S. WILCZEK
分类号
H01J1/32;H01J25/44;(IPC1-7):H01J25/34
主分类号
H01J1/32
代理机构
代理人
主权项
地址
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