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公开(公告)号:US2367130A
公开(公告)日:1945-01-09
申请号:US34746040
申请日:1940-07-25
Applicant: EMI LTD
Inventor: OTTO KLEMPERER
IPC: H01J29/52
CPC classification number: H01J29/52
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公开(公告)号:US2227092A
公开(公告)日:1940-12-31
申请号:US21828338
申请日:1938-07-09
Applicant: EMI LTD
Inventor: OTTO KLEMPERER
IPC: H01J31/12
CPC classification number: H01J31/12
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3.
公开(公告)号:US2203225A
公开(公告)日:1940-06-04
申请号:US24927939
申请日:1939-01-04
Applicant: EMI LTD
Inventor: OTTO KLEMPERER
CPC classification number: H01J43/20 , H01J29/023
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公开(公告)号:US2173257A
公开(公告)日:1939-09-19
申请号:US22221038
申请日:1938-07-30
Applicant: EMI LTD
Inventor: OTTO KLEMPERER
IPC: H01J29/28
CPC classification number: H01J29/28
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公开(公告)号:US2123011A
公开(公告)日:1938-07-05
申请号:US7197036
申请日:1936-03-31
Applicant: EMI LTD
Inventor: EDGAR KEYSTON JOHN , HERMES NICOLL FREDERICK , OTTO KLEMPERER
IPC: H01J29/46
CPC classification number: H01J29/46
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公开(公告)号:US2243102A
公开(公告)日:1941-05-27
申请号:US20375238
申请日:1938-04-23
Applicant: EMI LTD
Inventor: OTTO KLEMPERER
IPC: H01J29/60
CPC classification number: H01J29/60
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公开(公告)号:US2213688A
公开(公告)日:1940-09-03
申请号:US25662439
申请日:1939-02-16
Applicant: EMI LTD
Inventor: FRANCIS BROADWAY LEONARD , OTTO KLEMPERER
IPC: H01J29/46
CPC classification number: H01J29/46
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公开(公告)号:US2212208A
公开(公告)日:1940-08-20
申请号:US22192038
申请日:1938-07-29
Applicant: EMI LTD
Inventor: OTTO KLEMPERER
IPC: H01J29/62
CPC classification number: H01J29/624
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公开(公告)号:US2143378A
公开(公告)日:1939-01-10
申请号:US9574436
申请日:1936-08-13
Applicant: EMI LTD
Inventor: ERWIN KALLMANN HEINZ , OTTO KLEMPERER
IPC: H01J25/76
CPC classification number: H01J25/76
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公开(公告)号:US2138928A
公开(公告)日:1938-12-06
申请号:US10475436
申请日:1936-10-09
Applicant: EMI LTD
Inventor: OTTO KLEMPERER
IPC: H01J43/08
CPC classification number: H01J43/08
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