申请人 |
TAKENAKA KOMUTEN CO LTD;TAKENAKA DOBOKU CO LTD;HITACHI CONSTR MACH CO LTD |
发明人 |
ASAI KATSUTOSHI;ODAWARA KENJI;SAKURAI HIROSHI;FUJII YOSHIBUMI;OONISHI TSUNEYASU;YOSHINO SHIGEO;WAKITA HAJIME;HIRASAWA YUKIHISA;ISHIKAWA YASUAKI;MAEHARA NOBUYUKI;WATANABE AKIRA |