| 申请人 |
PUB WORKS RES INST MINISTRY OF CONSTR;OHBAYASHI CORP;KONOIKE CONSTR LTD;NIPPON STEEL CORP;TAISEI CORP;TAKENAKA DOBOKU CO LTD;TOKYU CONSTR CO LTD;MITSUBISHI HEAVY IND LTD |
发明人 |
IGUMA AKIRA;ISHIMURA TOSHIAKI;MIYA KIYOSHI;NISHIMURA AKIO;NAKAMURA MINORU;INO TOSHIMI;FUJII YOSHIBUMI;SATO YASUO;MATSUMOTO TAKAO |
