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公开(公告)号:US2431658A
公开(公告)日:1947-11-25
申请号:US51585843
申请日:1943-12-27
Applicant: SYLVANIA ELECTRIC PROD
Inventor: KENNETH DEMB , HAYES MALCOLM L
CPC classification number: B05B13/0654 , H01J9/223 , Y10S118/10
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公开(公告)号:US2382979A
公开(公告)日:1945-08-21
申请号:US54192644
申请日:1944-06-24
Applicant: SYLVANIA ELECTRIC PROD
Inventor: KENNETH DEMB
IPC: G01N11/14
CPC classification number: G01N11/14
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公开(公告)号:US2524733A
公开(公告)日:1950-10-03
申请号:US57593745
申请日:1945-02-02
Applicant: SYLVANIA ELECTRIC PROD
Inventor: PAYNE ELMER C , HAYES MALCOLM L , KENNETH DEMB
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公开(公告)号:US2413437A
公开(公告)日:1946-12-31
申请号:US54920444
申请日:1944-08-12
Applicant: SYLVANIA ELECTRIC PROD
Inventor: KENNETH DEMB , HAYES MALCOLM L
IPC: H01J9/22
CPC classification number: H01J9/223 , Y10S118/10
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