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公开(公告)号:KR100023650B1
公开(公告)日:1987-06-23
申请号:KR1019830006036
申请日:1983-12-20
Applicant: 한국과학기술연구원
Inventor: 심재동 , 현도빈 , 김경식 , 우문형
IPC: C21C1/02