-
公开(公告)号：US2881349A
公开(公告)日：1959-04-07
申请号：US66113257
申请日：1957-05-23
Applicant: RCA CORP
Inventor： EICHENBAUM ARIE L , RONALD KNECHTLI
IPC: H01J25/38
CPC classification number: H01J25/38
Search Results
1
records
(took 0.017 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
