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公开(公告)号：US3448322A
公开(公告)日：1969-06-03
申请号：US3448322D
申请日：1966-12-15
Applicant: GEN ELECTRIC
Inventor： MILLIKAN ROGER C , OSBURG LUDWIG A
CPC classification number: H01K1/38 , H01J5/24 , H01J2893/004
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公开(公告)号：US2245394A
公开(公告)日：1941-06-10
申请号：US37622841
申请日：1941-01-27
Applicant: GEN ELECTRIC
Inventor： FRANCIS VICTOR J , ERIC KETTLEWELL
CPC classification number: H01J5/32 , H01J5/24 , H01J2893/004 , Y10T403/478
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公开(公告)号：US3448320A
公开(公告)日：1969-06-03
申请号：US3448320D
申请日：1966-12-15
Applicant: GEN ELECTRIC
Inventor： MILLIKAN ROGER C
CPC classification number: H01K1/38 , H01J5/24 , H01J2893/004
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