-
公开(公告)号：US2551611A
公开(公告)日：1951-05-08
申请号：US75839347
申请日：1947-07-01
Applicant: INT STANDARD ELECTRIC CORP
Inventor： MAXIME KUHNER
CPC classification number: H01P11/005 , H01J5/42 , H01J2893/0034
Search Results
1
records
(took 0.009 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
