申请人 |
NIPPON STEEL CHEMICAL CO., LTD., TOKIO/TOKYO, JP;NIPPON STEEL CORP., TOKIO/TOKYO, JP |
发明人 |
OHTA, AKIRA, C/O TECNICAL DEVELOPMENT BUREAU, FUTTSU-SHI, CHIBA-KEN, JP;KUSHIMA, KOHSEI, C/O TECNICAL DEVELOPMENT BUREAU, FUTTSU-SHI, CHIBA-KEN, JP;FURUKI, SATOSHI, C/O TECNICAL DEVELOPMENT BUREAU, FUTTSU-SHI, CHIBA-KEN, JP |