申请人 |
AOKI CORP;ANDO KENSETSU KK;OKUMURA CORP;KUBOTA CORP;KUMAGAI GUMI CO LTD;SATO KOGYO CO LTD;ZENITAKA CORP |
发明人 |
SUZUKI TAKESHI;SHIROTA YOSHIFUMI;SUEOKA KAZUHISA;SANUKI IKUO;EGUCHI MASAAKI;SATO KOICHI;ISHIKAWA YASUYUKI;MATSUO TADASHI;TAKAKUWA TOMOYUKI;TERADA KENICHI |