申请人 |
DOBOKU KENKYU CENTER;KUROSAWA TEKKO KK;MITSUBISHI KENSETSU KK;OSAKA BOSUI CONSTR CO LTD;OKUMURA CORP;OSAKA CEMENT CO LTD;MORIMOTOGUMI:KK;KATO KENSETSU:KK;ZENITAKAGUMI:KK;KONOIKE CONSTR LTD;NITTOC CONSTR CO LTD;NKK CORP |
发明人 |
SENDA SHOHEI;KUROSAWA MASAYUKI |