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公开(公告)号:US2500153A
公开(公告)日:1950-03-14
申请号:US8367449
申请日:1949-03-26
Applicant: WESTINGHOUSE ELECTRIC CORP
Inventor: CORK SPENCER M , BOYER JOHN L
CPC classification number: H01J13/50 , H01J13/54 , H01J2893/0088
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公开(公告)号:US2465200A
公开(公告)日:1949-03-22
申请号:US73604047
申请日:1947-03-20
Applicant: WESTINGHOUSE ELECTRIC CORP
Inventor: COLAIACO AUGUST P , CORK SPENCER M
IPC: H01J13/10
CPC classification number: H01J13/10 , H01J2893/0077
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