-
公开(公告)号：US2503100A
公开(公告)日：1950-04-04
申请号：US61250445
申请日：1945-08-24
Applicant: RCA CORP
Inventor： DEWHURST WALLACE W , BENNETT PAUL R
IPC: H01F21/06
CPC classification number: H01F21/06
Search Results
1
records
(took 0.011 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
