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公开(公告)号:KR200049134Y1
公开(公告)日:1990-07-23
申请号:KR2019870005069
申请日:1987-04-10
Applicant: 한국분말야금(주)
Inventor: 정명훈
IPC: B24B5/06 , B24B37/00
公开(公告)号:KR2019900001240Y1
公开(公告)日:1990-02-20
Abstract: 내용 없음.
公开(公告)号:KR2019880019382U
公开(公告)日:1988-11-28
公开(公告)号:KR1019890006376A
公开(公告)日:1989-06-13
申请号:KR1019870011963
申请日:1987-10-28
Inventor: 정명훈 , 강명호
IPC: B30B15/02
Abstract: 내용 없음