-
公开(公告)号：US2884554A
公开(公告)日：1959-04-28
申请号：US59453856
申请日：1956-06-28
Applicant: RCA CORP
Inventor： LYNAR WILLIAM E , HELWIG WILLIAM J
IPC: H01J19/48
CPC classification number: H01J19/48
Search Results
1
records
(took 0.01 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
