-
公开(公告)号:US3020432A
公开(公告)日:1962-02-06
申请号:US85510859
申请日:1959-11-24
Applicant: WESTINGHOUSE ELECTRIC CORP
Inventor: NICHOLSON JAMES F
IPC: H01J29/45
公开(公告)号:US3020432A
公开(公告)日:1962-02-06
申请号:US85510859
申请日:1959-11-24
Applicant: WESTINGHOUSE ELECTRIC CORP
Inventor: NICHOLSON JAMES F
IPC: H01J29/45