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公开(公告)号:KR102157069B1
公开(公告)日:2020-09-17
申请号:KR1020190113992
申请日:2019-09-17
Applicant: (주)에이.티.아이
Inventor: 유영현 , 구재원
IPC: E04B2/96 , E04B1/78 , E06B3/26 , E06B3/66
公开(公告)号:KR102110820B1
公开(公告)日:2020-05-13
申请号:KR1020190113991