-
公开(公告)号：US2472077A
公开(公告)日：1949-06-07
申请号：US58502945
申请日：1945-03-27
Applicant: CONTINENTAL ELECTRIC COMPANY
Inventor： HUTCHINGS JOHN H
IPC: H01J17/06
CPC classification number: H01J17/06
Search Results
1
records
(took 0.009 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
