| 申请人 |
PUB WORKS RES INST MINISTRY OF CONSTR;SENTAN KENSETSU GIJUTSU CENTER;OHBAYASHI CORP;OOMOTOGUMI:KK;KAJIMA CORP;KUMAGAI GUMI CO LTD;KONOIKE CONSTR LTD;PENTA OCEAN CONSTR CO LTD;SATO KOGYO CO LTD;SHIMIZU CORP;DAIHO CONSTR CO LTD;TOA HARBOR WORKS CO LTD;TOKYU CONSTR CO LTD;TOYO CONSTR CO LTD;TOBISHIMA CORP;NISHIMATSU CONSTR CO LTD;FUJITA CORP;MITSUI CONSTR CO LTD;UBE IND LTD;MITSUBISHI MATERIALS CORP;NIPPON CEMENT CO LTD;SUMITOMO OSAKA CEMENT CO LTD;CHICHIBU ONODA CEMENT CORP;NARASAKI SEISAKUSHO:KK |
发明人 |
OGAWA SHINKICHI;AKUMOTO KAZUMI;KAWACHI TAKESHI;UNO SADAO;TOKUNAGA YUTAKA;HONMA KIICHI |
