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公开(公告)号:KR2019910020425U
公开(公告)日:1991-12-20
申请号:KR2019900007407
申请日:1990-05-29
Applicant: 삼성전자주식회사
Inventor: 문재호 , 곽종도 , 이종극 , 안원기
IPC: F16D49/02