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公开(公告)号:KR2019930001992U
公开(公告)日:1993-02-25
申请号:KR2019910011538
申请日:1991-07-23
Applicant: 한국전자통신연구원
Inventor: 박승교 , 최종대 , 최각진 , 최상국
IPC: A47B3/00
公开(公告)号:KR200081081Y1
公开(公告)日:1994-07-06
公开(公告)号:KR2019940002698Y1
公开(公告)日:1994-04-23
Abstract: 내용 없음.