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公开(公告)号:US2431153A
公开(公告)日:1947-11-18
申请号:US59401645
申请日:1945-05-16
Applicant: WESTINGHOUSE ELECTRIC CORP
Inventor: WHITE JOHN E
CPC classification number: H01J13/14 , H01J13/18 , H01J19/36 , H01J2893/0027 , H01J2893/0081
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公开(公告)号:US2428587A
公开(公告)日:1947-10-07
申请号:US49540543
申请日:1943-07-20
Applicant: WESTINGHOUSE ELECTRIC CORP
Inventor: ROSE HERBERT A
IPC: H01J13/14
CPC classification number: H01J13/14 , H01J2893/0081
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公开(公告)号:US2189619A
公开(公告)日:1940-02-06
申请号:US21835438
申请日:1938-07-09
Applicant: WESTINGHOUSE ELECTRIC & MFG CO
Inventor: JOSEPH SLEPIAN , PAKALA WILLIAM E
IPC: H01J13/14
CPC classification number: H01J13/14 , H01J2893/0081
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公开(公告)号:US1781286A
公开(公告)日:1930-11-11
申请号:US34044329
申请日:1929-02-16
Applicant: JOHANNES KUBLER , ERNST KOBEL
Inventor: JOHANNES KUBLER , ERNST KOBEL
IPC: H01J13/14
CPC classification number: H01J13/14 , H01J2893/0081
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