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公开(公告)号:US1829237A
公开(公告)日:1931-10-27
申请号:US31195228
申请日:1928-10-11
Applicant: RUBEN TUBE COMPANY
Inventor: SAMUEL RUBEN
CPC classification number: H01J9/08 , C04B28/26 , C04B2111/00525 , H01B3/085 , H01B3/10 , C04B14/303
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公开(公告)号:US1828203A
公开(公告)日:1931-10-20
申请号:US20502427
申请日:1927-07-11
Applicant: RUBEN TUBE COMPANY
Inventor: SAMUEL RUBEN
IPC: H01J1/13
CPC classification number: H01J1/13
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公开(公告)号:US1739044A
公开(公告)日:1929-12-10
申请号:US16075827
申请日:1927-01-12
Applicant: RUBEN TUBE COMPANY
Inventor: SAMUEL RUBEN
IPC: H01J9/04
CPC classification number: H01J9/042
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公开(公告)号:US1926407A
公开(公告)日:1933-09-12
申请号:US25710628
申请日:1928-02-25
Applicant: RUBEN TUBE COMPANY
Inventor: SAMUEL RUBEN
IPC: H01J1/24
CPC classification number: H01J1/24 , Y10T428/2958
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公开(公告)号:US1807326A
公开(公告)日:1931-05-26
申请号:US30192628
申请日:1928-08-24
Applicant: RUBEN TUBE COMPANY
Inventor: SAMUEL RUBEN
IPC: H01J40/00
CPC classification number: H01J40/00
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公开(公告)号:US1908792A
公开(公告)日:1933-05-16
申请号:US40160829
申请日:1929-10-22
Applicant: RUBEN TUBE COMPANY
Inventor: SAMUEL RUBEN
CPC classification number: H01B3/10 , H01J1/22 , Y10T428/2958
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公开(公告)号:US1828545A
公开(公告)日:1931-10-20
申请号:US21575327
申请日:1927-08-26
Applicant: RUBEN TUBE COMPANY
Inventor: SAMUEL RUBEN
IPC: H01J1/20
CPC classification number: H01J1/20
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公开(公告)号:US1815931A
公开(公告)日:1931-07-28
申请号:US42682830
申请日:1930-02-08
Applicant: RUBEN TUBE COMPANY
Inventor: SAMUEL RUBEN
IPC: H01J21/20
CPC classification number: H01J21/20 , H01J2893/003
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公开(公告)号:US1882449A
公开(公告)日:1932-10-11
申请号:US33434629
申请日:1929-01-22
Applicant: RUBEN TUBE COMPANY
Inventor: SAMUEL RUBEN
IPC: H01J21/18
CPC classification number: H01J21/18
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公开(公告)号:US1755272A
公开(公告)日:1930-04-22
申请号:US53421322
申请日:1922-02-04
Applicant: RUBEN TUBE COMPANY
Inventor: SAMUEL RUBEN
IPC: H01J40/00
CPC classification number: H01J40/00
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