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公开(公告)号:US2767350A
公开(公告)日:1956-10-16
申请号:US43375454
申请日:1954-06-01
Applicant: GERA CORP
Inventor: BAZARIAN ALBERT V , GRIMM JOHN F , LEO GUSMAN , SILVER MARVIN N
CPC classification number: H03K29/00 , H01J17/48 , H01J2893/007
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公开(公告)号:US2774915A
公开(公告)日:1956-12-18
申请号:US44419854
申请日:1954-07-19
Applicant: GERA CORP
Inventor: LEO GUSMAN , BAZARLAN ALBERT V , SILVER MARVIN N , GRIMM JOHN F
CPC classification number: H03K29/00 , H01J17/48 , H01J2893/007
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公开(公告)号:US2747121A
公开(公告)日:1956-05-22
申请号:US36979953
申请日:1953-07-23
Applicant: GERA CORP
Inventor: SILVER MARVIN N
CPC classification number: H01J17/32 , H01J3/025 , H01J2893/0061
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