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公开(公告)号:KR1019890016186A
公开(公告)日:1989-11-28
申请号:KR1019880004302
申请日:1988-04-15
Applicant: 한국과학기술원
Inventor: 이동휘 , 이화영 , 선용규
IPC: C21B3/04
Abstract: 내용 없음