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公开(公告)号:KR1019920015613A
公开(公告)日:1992-08-27
申请号:KR1019910000731
申请日:1991-01-17
Applicant: 삼성전자주식회사
Inventor: 홍순규 , 송창섭 , 고장만
IPC: H01L29/00