-
公开(公告)号：US2512617A
公开(公告)日：1950-06-27
申请号：US72638247
申请日：1947-02-04
Applicant: ELECTRONS INC
Inventor： EDWARDS DONALD V , WINTERS DONALD C
IPC: H01J21/18
CPC classification number: H01J21/18
-
公开(公告)号：US2512618A
公开(公告)日：1950-06-27
申请号：US76860647
申请日：1947-08-14
Applicant: ELECTRONS INC
Inventor： EDWARDS DONALD V , WINTERS DONALD C
IPC: H01J21/18
CPC classification number: H01J21/18
-
Search Results
2
records
(took 0.009 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
