申请人 |
NIPPON STEEL CORP., TOKIO/TOKYO, JP;NIPPON STEEL CHEMICAL CO., LTD., TOKIO/TOKYO, JP |
发明人 |
WATANABE, KAZUHIRO, C/O R&D LABORATORIES-I, KAWASAKI-SHI, KANAGAWA-KEN, 211, JP;TERAMOTO, TAKERO, C/O R&D LABORATORIES-I, KAWASAKI-SHI, KANAGAWA-KEN, 211, JP |