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公开(公告)号:US2087748A
公开(公告)日:1937-07-20
申请号:US2444935
申请日:1935-05-31
Applicant: GEN ELECTRIC
Inventor: CORNELIS BOL
IPC: H01J61/067
CPC classification number: H01J61/0672
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公开(公告)号:US1961897A
公开(公告)日:1934-06-05
申请号:US70544134
申请日:1934-01-05
Applicant: GEN ELECTRIC
Inventor: CORNELIS BOL
IPC: H01J61/04
CPC classification number: H01J61/04
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公开(公告)号:US1951124A
公开(公告)日:1934-03-13
申请号:US68723033
申请日:1933-08-28
Applicant: GEN ELECTRIC
Inventor: CORNELIS BOL
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公开(公告)号:US2312232A
公开(公告)日:1943-02-23
申请号:US42387141
申请日:1941-12-22
Applicant: GEN ELECTRIC
Inventor: CORNELIS BOL
IPC: H01J61/52
CPC classification number: H01J61/52
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公开(公告)号:US2114869A
公开(公告)日:1938-04-19
申请号:US8186636
申请日:1936-05-26
Applicant: GEN ELECTRIC
Inventor: CORNELIS BOL , LEMMENS HENDRICUS J
IPC: H01J5/32
CPC classification number: H01J5/32
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公开(公告)号:US2094694A
公开(公告)日:1937-10-05
申请号:US4695235
申请日:1935-10-26
Applicant: GEN ELECTRIC
Inventor: CORNELIS BOL , WILLEM ELENBAAS , LEMMENS HENDRICUS J
CPC classification number: C03C27/044 , H01J5/32 , H01J61/52 , H01J61/822
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公开(公告)号:US2035784A
公开(公告)日:1936-03-31
申请号:US67897433
申请日:1933-07-03
Applicant: GEN ELECTRIC
Inventor: CORNELIS BOL , DE GROOT WILLEM , DRUYVESTEYN MARI J
IPC: H01J61/70
CPC classification number: H01J61/70
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公开(公告)号:US2020718A
公开(公告)日:1935-11-12
申请号:US74600334
申请日:1934-09-28
Applicant: GEN ELECTRIC
Inventor: CORNELIS BOL , ADRIANUS LINNEMANS
IPC: H01J5/54
CPC classification number: H01J5/54
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公开(公告)号:US2004564A
公开(公告)日:1935-06-11
申请号:US72752634
申请日:1934-05-25
Applicant: GEN ELECTRIC
Inventor: CORNELIS BOL
IPC: H01J61/32
CPC classification number: H01J5/58 , H01J5/54 , H01J61/325
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公开(公告)号:US1601902A
公开(公告)日:1926-10-05
申请号:US69285324
申请日:1924-02-14
Applicant: GEN ELECTRIC
Inventor: CORNELIS BOL
IPC: H01J9/40
CPC classification number: H01J9/40
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