申请人 |
HITACHI, LTD., TOKIO/TOKYO, JP |
发明人 |
NIGAWARA, SEIITSU, HITACHI-SHI, IBARAKI 316, JP;FUKAI, MASAYUKI, HITACHI-SHI, IBARAKI 316, JP;SUGUHARA, MASASHI, HITACHI-SHI, IBARAKI 317, JP;FURUDATE, KAZUO, HITACHI-SHI, IBARAKI 316, JP;NAGAI, HASHIME, KITAIBARAKI-SHI, IBARAKI 319-17, JP |