申请人 |
OZAWA CONCRETE INDUSTRY CO. LTD., TOKYO, JP;TAISEI CORP., TOKIO/TOKYO, JP |
发明人 |
KUSHIDA, SHIZUKO, SUGINAMI-KU TOKYO, JP;TSUBAHARA, TAKASHI, SHINAGAWA-KU TOKYO, JP;NAITO, TAKAFUMI, SETAGAYA-KU TOKYO, JP;KANEKO, SEIJI, KAMAKURA-SHI KANAGAWA-KEN, JP;MATSUOKA, YASUNORI, YOKOHAMA-SHI KANAGAWA-KEN, JP;SHINDO, TAKEFUMI, OHTA-KU TOKYO, JP |