-
公开(公告)号：US2031313A
公开(公告)日：1936-02-18
申请号：US829835
申请日：1935-02-26
Applicant: RCA CORP
Inventor： ALEXANDRE HOROWITZ , JEAN VISMAN
CPC classification number: H01J5/54
Search Results
1
records
(took 0.006 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
