申请人 |
HITACHI, LTD., TOKIO/TOKYO, JP;TOHOKU ELECTRIC POWER CO., INC., SENDAI, MIYAGI, JP |
发明人 |
YOSHINARI, AKIRA, KATSUTA-SHI, IBARAKI-KEN, JP;SAITO, TOSIAKI, KATSUTA-SHI, IBARAKI-KEN, JP;IIJIMA, KATSUMI, HITACHI-SHI, IBARAKI-KEN, JP;ISHIDA, TADAMI, HITACHI-SHI, IBARAKI-KEN, JP;HASHIDA, RYOZO, KATSUTA-SHI, IBARAKI-KEN, JP;KANO, KIMIO, SENDAI-SHI, MIYAGI-KEN, JP |