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1.发明授权Thermionic electron emitter having a porous refractory metal matrix and an alloy of active metal and mobilizer metal therein 失效具有多孔耐火金属基体的THERMONIC电子发射体和活性金属和移动金属合金的合金
公开(公告)号：US3437865A
公开(公告)日：1969-04-08
申请号：US51352365
申请日：1965-12-13
Applicant: NAT RES DEV
Inventor： GABOR DENNIS , ALBERT MICHAEL JOSEPH
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