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公开(公告)号:US2918599A
公开(公告)日:1959-12-22
申请号:US51658455
申请日:1955-06-20
Applicant: INT STANDARD ELECTRIC CORP
Inventor: WILLIAM BECK ARNOLD HUGH , DE MENGEL GASTON PAKENHAM
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公开(公告)号:US3303375A
公开(公告)日:1967-02-07
申请号:US29533363
申请日:1963-07-16
Applicant: INT STANDARD ELECTRIC CORP
Inventor: KLEPP GEORGE F , DALTON OLAF H , DE MENGEL GASTON PAKENHAM
IPC: H01J17/49
CPC classification number: H01J17/49 , H01J2893/0069
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