| 申请人 |
NIPPON TELEGRAPH AND TELEPHONE CORPORATION;HITACHI CONSTRUCTION MACHINERY CO., LTD. |
发明人 |
YAMAMOTO, HIROSHI;SATOH, SHUICHI;IWAI, YOSHIYUKI;AE, OSAMU;SUDA, MASAO;SHIOZAKI, MINORU;TSUCHIYA, KIYOSHI;NAKANO, MANABU;OGATA, KOJIRO;MIYANAGI, NAOKI;ONO, KOZO;TOBITA, NOBUYUKI |
