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发明名称
ELECTRON-EMISSION CATHODE ASSEMBLY
摘要
申请公布号
IL41525(D0)
申请公布日期
1973.04.30
申请号
IL19730041525
申请日期
1973.02.13
申请人
ENERGY SCIENCES INC
发明人
分类号
H01J1/15;H01J3/02;H01J33/00
主分类号
H01J1/15
代理机构
代理人
主权项
地址
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