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公开(公告)号：US2042140A
公开(公告)日：1936-05-26
申请号：US74030434
申请日：1934-08-17
Applicant: GEN ELECTRIC
Inventor： ALBERT BUNGER
IPC: H01J61/10
CPC classification number: H01J61/106
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公开(公告)号：US2334604A
公开(公告)日：1943-11-16
申请号：US36532940
申请日：1940-11-12
Applicant: GEN ELECTRIC
Inventor： ALBERT BUNGER
IPC: H01J9/32
CPC classification number: H01J9/326
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公开(公告)号：US2080908A
公开(公告)日：1937-05-18
申请号：US8941236
申请日：1936-07-07
Applicant: GEN ELECTRIC
Inventor： ALBERT BUNGER , KURT LARCHE , KURT WIEGAND
IPC: H01J61/52
CPC classification number: H01J61/52
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