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公开(公告)号：US3140963A
公开(公告)日：1964-07-14
申请号：US8114761
申请日：1961-01-06
Applicant: ASEA AB
Inventor： JOHANNES SVEDBERG PER GUSTAF
IPC: H01L27/082 , H01L29/00 , H01L29/36 , H01L29/74 , H01L29/747
CPC classification number: H01L29/74 , H01L27/082 , H01L29/00 , H01L29/36 , H01L29/747
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