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公开(公告)号：KR2019900008457U
公开(公告)日：1990-05-01
申请号：KR2019880017457
申请日：1988-10-28
Applicant: 정기창
Inventor： 정기창 , 보오링거맨하임코오퍼레이션대표자월리암씨.밀러.
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