| 申请人 |
NIPPON STEEL CORP;HAZAMA GUMI LTD;OHBAYASHI CORP;TOKYU CONSTR CO LTD;OKUMURA CORP;SHIMIZU CORP |
发明人 |
KUGA TAKASHI;TAZAKI KAZUYUKI;TATSUTA MASATAKE;FURUBE HIROSHI;HIRAI MASAYA;SUZUKI TAKUMI;HIRAO JUNICHI;MAIDA TOSHIROU;SAKAI KUNITO;SHIBUSAWA SHIGEHIKO;SAKA SHIRO;MIZUTANI YOSHIYUKI;WATANABE TOSHIO |
