| 申请人 |
HITACHI CONSTRUCTION MACHINERY CO., LTD., TOKIO/TOKYO, JP |
发明人 |
TANAKA, HIROHISA, TOKYO 152, JP;OSHINA, MORIO, NIIHARI-GUN, IBARAKI 315, JP;KANAI, TAKASHI, KASHIWA-SHI, CHIBA 277, JP;TANAKA, ATSUSHI, CITYHEIGHTS-KIMIYAMA 201, TSUCHIURA-SHI, IBARAKI 300, JP |
