-
公开(公告)号：US2679016A
公开(公告)日：1954-05-18
申请号：US34769053
申请日：1953-04-09
Applicant: RCA CORP
Inventor： JOHNSON EDWARD O , CURTIS CHARLES E , COLACELLO MICHAEL A
IPC: H01J17/54
CPC classification number: H01J17/54
Search Results
1
records
(took 0.011 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
