-
1.发明授权Method and device for applying electron-emissive coatings to coating-supports of indirectly heated thermionic cathodes of electric discharge tubes 失效将电子发射涂层施加到放电管间接加热的热阴极阴极的涂层支撑体上的方法和装置
公开(公告)号：US3020224A
公开(公告)日：1962-02-06
申请号：US73063358
申请日：1958-04-24
Applicant: PHILIPS CORP
Inventor： HINRICH BLANK HANS , ZANTEN PIETER GEERT VAN , ADRIANUS KUIPER , RAYMUND ALMER FRIEDRICH HERMAN
IPC: H01J9/06
CPC classification number: H01J9/06
Search Results
1
records
(took 0.01 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
