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公开(公告)号:KR2019760001561Y1
公开(公告)日:1976-12-30
申请号:KR2019760002325
申请日:1976-04-13
Applicant: 한국과학기술연구원
Inventor: 최규원 , 민석기 , 김형대
IPC: G02F1/13
公开(公告)号:KR200014058Y1
公开(公告)日:1977-03-17