-
公开(公告)号：US2727168A
公开(公告)日：1955-12-13
申请号：US27360852
申请日：1952-02-27
Applicant: WESTINGHOUSE ELECTRIC CORP
Inventor： MARSHALL DONALD E , GERHARD LEWIN , ARTHUR GOLDMAN ERNEST
CPC classification number: H01J13/50 , H01J17/30 , H01J2893/0088
Search Results
1
records
(took 0.01 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
