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公开(公告)号:US1914205A
公开(公告)日:1933-06-13
申请号:US54653631
申请日:1931-06-24
Applicant: GEN ELECTRIC
Inventor: HOOPER IRVIN F , NIEDERGESASS BERTHOLD F , DEVERS PHILIP K
CPC classification number: C03B23/07 , C03B23/095
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公开(公告)号:US1803175A
公开(公告)日:1931-04-28
申请号:US28336528
申请日:1928-06-06
Applicant: GEN ELECTRIC
Inventor: DEVERS PHILIP K
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公开(公告)号:US1746191A
公开(公告)日:1930-02-04
申请号:US11860526
申请日:1926-06-25
Applicant: GEN ELECTRIC
Inventor: DEVERS PHILIP K
IPC: B23K9/173
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公开(公告)号:US1640443A
公开(公告)日:1927-08-30
申请号:US15703026
申请日:1926-12-27
Applicant: GEN ELECTRIC
Inventor: DEVERS PHILIP K
IPC: H01J61/54
CPC classification number: H01J61/54
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公开(公告)号:US1536821A
公开(公告)日:1925-05-05
申请号:US74041624
申请日:1924-09-27
Applicant: GEN ELECTRIC
Inventor: DEVERS PHILIP K
CPC classification number: C03B5/021 , C03B5/0334 , C03B17/04 , C03B19/095
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公开(公告)号:US1531265A
公开(公告)日:1925-03-24
申请号:US48963021
申请日:1921-08-03
Applicant: GEN ELECTRIC
Inventor: DEVERS PHILIP K
IPC: H01J5/32
CPC classification number: H01J5/32 , Y10T29/49117 , Y10T403/21 , Y10T428/131
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