申请人 |
YAMAMOTO MINORU;ISHIKAWAJIMA CONSTR MATERIALS CO LTD;TSUZUKI JUNICHI;NIPPON KOKAN LIGHT STEEL KK;GEOSTR CORP;FUJIMI KOKEN KK;DAISAN SEIKO KK |
发明人 |
YAMAMOTO MINORU;HASHIMOTO HIROHIDE;TSUZUKI JUNICHI;HAYASHI NOBUO;DAICHIYOU TADAHIRO;HORI SEIKO;YAMAMOTO MISAO |