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公开(公告)号:US1874528A
公开(公告)日:1932-08-30
申请号:US15455026
申请日:1926-12-13
Applicant: PHILIPS NV
Inventor: LUDWIG HERTZ GUSTAV
IPC: H01J17/04
CPC classification number: H01J17/04
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公开(公告)号:US1735080A
公开(公告)日:1929-11-12
申请号:US68372923
申请日:1923-12-31
Applicant: PHILIPS NV
Inventor: LUDWIG HERTZ GUSTAV
IPC: H01J9/04
CPC classification number: H01J9/042
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公开(公告)号:US1726107A
公开(公告)日:1929-08-27
申请号:US1010525
申请日:1925-02-18
Applicant: PHILIPS NV
Inventor: LUDWIG HERTZ GUSTAV
CPC classification number: C09K11/025 , C03C4/12 , H01J61/18 , H01J61/42
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公开(公告)号:US1627971A
公开(公告)日:1927-05-10
申请号:US2516425
申请日:1925-04-22
Applicant: PHILIPS NV
Inventor: LUDWIG HERTZ GUSTAV
IPC: H01K3/02
CPC classification number: H01K3/02 , Y10S428/923 , Y10T29/49995 , Y10T428/12431
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公开(公告)号:US1720675A
公开(公告)日:1929-07-16
申请号:US72824524
申请日:1924-07-25
Applicant: PHILIPS NV
Inventor: LUDWIG HERTZ GUSTAV
IPC: H01J9/04
CPC classification number: H01J9/042 , Y10T428/12549 , Y10T428/1259
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公开(公告)号:US1498097A
公开(公告)日:1924-06-17
申请号:US63279723
申请日:1923-04-17
Applicant: PHILIPS NV
Inventor: LUDWIG HERTZ GUSTAV
IPC: B01D53/22
CPC classification number: B01D53/22
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公开(公告)号:US1486521A
公开(公告)日:1924-03-11
申请号:US63279823
申请日:1923-04-17
Applicant: PHILIPS NV
Inventor: LUDWIG HERTZ GUSTAV
IPC: B01D53/22
CPC classification number: B01D53/22
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