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公开(公告)号:US2345080A
公开(公告)日:1944-03-28
申请号:US38503441
申请日:1941-03-24
Applicant: VON ARDENNE MANFRED
Inventor: VON ARDENNE MANFRED
CPC classification number: B01D67/0032 , H01J37/08 , H01J37/12 , H01J37/31 , Y10S164/04
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公开(公告)号:US2277008A
公开(公告)日:1942-03-17
申请号:US30757339
申请日:1939-12-05
Applicant: VON ARDENNE MANFRED
Inventor: VON ARDENNE MANFRED
CPC classification number: H04N5/7425 , G02F1/0333 , Y10S8/21
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公开(公告)号:US2083209A
公开(公告)日:1937-06-08
申请号:US66655533
申请日:1933-04-17
Applicant: VON ARDENNE MANFRED
Inventor: VON ARDENNE MANFRED
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14.Arrangement to protect capacitive loud-speakers against puncture 失效
Title translation: 保护电容扬声器免受穿刺的布置公开(公告)号:US1737872A
公开(公告)日:1929-12-03
申请号:US27363328
申请日:1928-04-28
Applicant: VON ARDENNE MANFRED
Inventor: VON ARDENNE MANFRED
IPC: H04R19/02
CPC classification number: H04R19/02
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公开(公告)号:US2361722A
公开(公告)日:1944-10-31
申请号:US40181341
申请日:1941-07-10
Applicant: VON ARDENNE MANFRED
Inventor: VON ARDENNE MANFRED
IPC: H01J37/18
CPC classification number: H01J37/18
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公开(公告)号:US2273235A
公开(公告)日:1942-02-17
申请号:US30958839
申请日:1939-12-16
Applicant: VON ARDENNE MANFRED
Inventor: VON ARDENNE MANFRED
CPC classification number: H01J37/224 , G02B21/0004 , H01J2237/2482
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公开(公告)号:US2253542A
公开(公告)日:1941-08-26
申请号:US27660039
申请日:1939-05-31
Applicant: VON ARDENNE MANFRED
Inventor: VON ARDENNE MANFRED
CPC classification number: H01J37/21 , B62D1/26 , H01J37/22 , H01J37/28 , H01J2237/24542
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公开(公告)号:US2243403A
公开(公告)日:1941-05-27
申请号:US26570739
申请日:1939-04-03
Applicant: VON ARDENNE MANFRED
Inventor: VON ARDENNE MANFRED
IPC: H01J37/141 , H01J37/20
CPC classification number: H01J37/20 , H01J37/141
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公开(公告)号:US2096987A
公开(公告)日:1937-10-26
申请号:US69773933
申请日:1933-11-13
Applicant: VON ARDENNE MANFRED
Inventor: VON ARDENNE MANFRED
IPC: H04N3/18
CPC classification number: H04N3/18
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公开(公告)号:US2081344A
公开(公告)日:1937-05-25
申请号:US67950133
申请日:1933-07-08
Applicant: VON ARDENNE MANFRED
Inventor: VON ARDENNE MANFRED
IPC: H01J29/52
CPC classification number: H01J29/52
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