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公开(公告)号:KR1019760000381B1
公开(公告)日:1976-08-10
申请号:KR1019750002907
申请日:1975-12-30
Applicant: 한국과학기술연구원
Inventor: 장성노 , 주기태
IPC: C04B35/14 , C04B35/01
公开(公告)号:KR100005290B1
公开(公告)日:1976-11-24