| 申请人 |
POSCO ENGINEERING & CONSTRUCTION CO., LTD.;INTCHEM CO., LTD.;KOREA INSTITUTE OF CONSTRUCTION TECHNOLOGY |
发明人 |
KIM, WOO JAE;LEE, JONG IN;KIM, HYUN BAE;BAIK, BYUNG HOON;LEE, SEA HYUN;SONG, YOUNG CHAN;AHN, SANG WOOK;PARK, DONG CHEOL;YANG, WAN HEE;CHOI, HAE YOUNG;KIM, CHEOL HONG |
