-
公开(公告)号：US2874324A
公开(公告)日：1959-02-17
申请号：US36864153
申请日：1953-07-17
Applicant: INT STANDARD ELECTRIC CORP
Inventor： FRANCIS KLEPP GEORGE , DONALD MILLER
IPC: H01J17/48
CPC classification number: H01J17/48
Search Results
1
records
(took 0.01 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
