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公开(公告)号:US2644852A
公开(公告)日:1953-07-07
申请号:US25213951
申请日:1951-10-19
Applicant: GEN ELECTRIC
Inventor: DUNLAP JR WILLIAM C
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公开(公告)号:US2639246A
公开(公告)日:1953-05-19
申请号:US25882651
申请日:1951-11-29
Applicant: GEN ELECTRIC
Inventor: DUNLAP JR WILLIAM C
IPC: G01R31/26 , H01C17/30 , H01L21/00 , H01L21/324
CPC classification number: H01L21/00 , G01R31/26 , H01C17/30 , H01L21/324
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