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公开(公告)号:US2959367A
公开(公告)日:1960-11-08
申请号:US67973357
申请日:1957-08-22
Applicant: WESTERN ELECTRIC CO
Inventor: SAMUEL KUBA , WIEGNER JR ANDREW N
IPC: H01J19/00
CPC classification number: H01J19/00 , H01J2893/0026
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公开(公告)号:US3039706A
公开(公告)日:1962-06-19
申请号:US997060
申请日:1960-02-19
Applicant: WESTERN ELECTRIC CO
Inventor: TOTH JR PETER , WIEGNER JR ANDREW N
CPC classification number: H01K3/02 , B21F3/04 , Y10S242/01
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