-
公开(公告)号：US2334001A
公开(公告)日：1943-11-09
申请号：US41536141
申请日：1941-10-17
Applicant: RCA CORP
Inventor： HAPGOOD JOHN C
IPC: H01J5/24
CPC classification number: H01J5/24 , H01J2893/0039
Search Results
1
records
(took 0.006 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
