申请人 |
YAMAMOTO MINORU;ISHIKAWAJIMA CONSTR MATERIALS CO LTD;TSUZUKI JUNICHI;NIPPON KOKAN LIGHT STEEL KK;GEOSTR CORP;FUJIMI KOKEN KK;KUBOTA CORP |
发明人 |
YAMAMOTO MINORU;HASHIMOTO HIROHIDE;TSUZUKI JUNICHI;NAGAOKA SHOGO;DAICHIYOU TADAHIRO;MORI TAKAOMI;HORIKI MASAYUKI |