申请人 |
SEOUL METROPOLITAN DEVELOPMENT CORPORATION;STRUCTURE ENGINEERING GROUP, I'ST CO., LTD.;DONG-IL RUBBER BELT CO., LTD. |
发明人 |
KIM, HYUNG GUN;KANG, SEOG JOON;JEONG, BYEONG SEOK;KI, DONG YUN;KANG, JI YEON;LEE, DUNG WOO;LIM, CHUL WOO;PARK, JIN SAM;AHN, TAE SANG |