-
公开(公告)号：US2828442A
公开(公告)日：1958-03-25
申请号：US35213053
申请日：1953-04-30
Applicant: WESTINGHOUSE ELECTRIC CORP
Inventor： COHAN WILLIAM E , GOLDMAN ERNEST A
IPC: H01J17/04
CPC classification number: H01J17/04
Search Results
1
records
(took 0.014 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
