-
1.发明授权Electron tube employing a relatively long electron beam and getter material disposedat the collector 失效使用相对较长的电子束的电子管和设置在收集器上的吸气剂材料
公开(公告)号：US3328628A
公开(公告)日：1967-06-27
申请号：US22854962
申请日：1962-10-05
Applicant: NIPPON ELECTRIC CO
Inventor： SUSUMU YASUDA , SABURO TSUCHIYA
IPC: H01J7/18 , H01J23/027
CPC classification number: H01J23/027 , H01J7/186
Search Results
1
records
(took 0.009 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
