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公开(公告)号：US2750542A
公开(公告)日：1956-06-12
申请号：US34645253
申请日：1953-04-02
Applicant: RCA CORP
Inventor： ARMSTRONG LORNE D , JENNY DICTRICH A
IPC: B23K35/24 , H01L29/00 , H01L29/167 , H01L29/80
CPC classification number: H01L29/167 , B23K35/24 , H01L29/00 , H01L29/80
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