申请人 |
HITACHI, LTD., TOKIO/TOKYO, JP |
发明人 |
CHIBA, TOMIO, KATSUTA-SHI, IBARAKI 312, JP;KIDO, MITSUYASU, HITACHI-SHI, IBARAKI 319-12, JP;KAWAKAMI, JUNZO, MITO-SHI, IBARAKI 310, JP;HIRASAWA, KUNIO, HITACHI-SHI, IBARAKI 316, JP;MATSUI, YOSHIAKI, KATSUTA-SHI, IBARAKI 312, JP |