申请人 |
PUB WORKS RES INST MINISTRY OF CONSTR;SENTAN KENSETSU GIJUTSU CENTER;OOMOTOGUMI:KK;DAIHO CONSTR CO LTD;TOA HARBOR WORKS CO LTD;TOYO CONSTR CO LTD |
发明人 |
FUKUI JIRO;TAKAGI SHIGERU;NUKAZAWA KOUJI;HIRATA TADATSUMI;TSUNODA JIRO;KITAGAWA HIDEO;HAYASHI KATSUMI |