申请人 |
HITACHI LTD.;HITACHI MITO ENGINEERING CO. LTD.;HITACHI BUILDING SYSTEMS CO. LTD. |
发明人 |
TANAKA KEIICHI;SUZUKI YASUTAKA;FUKATA HIRONORI;FURUHASHI MASAYA;KISHIKAWA TAKAO;OHKI SHIGERU;IKETOMI CHIKARA;SHINOZUKA HIROKI;SATOU KOUICHI;HANEDA NOBUHIDE;SUZUKI YUICHIRO |