| 申请人 |
HITACHI, LTD., TOKIO/TOKYO, JP;HITACHI CONSTRUCTION MACHINERY CO., LTD., TOKIO/TOKYO, JP |
发明人 |
IMAI, KUNINORI, TSUKUI-GUN KANAGAWA-KEN, JP;SHIOKAWA, TAKEJI, FUCHU-SHI, JP;KATO, SHIGEO, MITAKA-SHI, JP;ISHIKAWA, ISAO, TAKASAKI-SHI, JP;IKEDA, TOSHIMICHI, USHIKU-SHI, JP;OTAKE, KAN, TSUCHIURA-SHI, JP |
