Saved successfully
Save failed
Saved Successfully
Save Failed
公开(公告)号:KR102097301B1
公开(公告)日:2020-04-06
申请号:KR1020180021172
申请日:2018-02-22
Applicant: 가톨릭관동대학교산학협력단
Inventor: 이웅균 , 진승효 , 박중훈
IPC: E04G5/00 , E04G5/08 , E04G21/32