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公开(公告)号:US1381077A
公开(公告)日:1921-06-07
申请号:US39629720
申请日:1920-07-14
Applicant: GLEICHRICHTER AG
Inventor: BENO SCHAFER BELA
IPC: H01J13/48
CPC classification number: H01J13/48
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公开(公告)号:US1413685A
公开(公告)日:1922-04-25
申请号:US39629820
申请日:1920-07-14
Applicant: GLEICHRICHTER AG
Inventor: BENO SCHAFER BELA
IPC: H02M7/06
CPC classification number: H02M7/066
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3.
公开(公告)号:US1377282A
公开(公告)日:1921-05-10
申请号:US39630020
申请日:1920-07-14
Applicant: GLEICHRICHTER AG
Inventor: BENO SCHAFER BELA
IPC: G01L21/00
CPC classification number: G01L21/00
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公开(公告)号:US1369984A
公开(公告)日:1921-03-01
申请号:US39629920
申请日:1920-07-14
Applicant: GLEICHRICHTER AG
Inventor: BENO SCHAFER BELA
CPC classification number: H01J13/28 , H01J13/32 , H01J2893/0086
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公开(公告)号:US1367098A
公开(公告)日:1921-02-01
申请号:US35775120
申请日:1920-02-10
Applicant: GLEICHRICHTER AG
Inventor: BENO SCHAFER BELA
IPC: H01J13/20
CPC classification number: H01J13/20 , H01J2893/0092
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