申请人 |
NIPPON STEEL CHEMICAL CO., LTD., TOKIO/TOKYO, JP |
发明人 |
SAITO, TAMIO, C/O NIPPON STEEL CORPORATION, TOKYO, JP;YAMAMOTO, TOSHIO, C/O NIPPON STEEL CORPORATIO, TOKYO, JP;OHIKATA, NAOHARU, C/O NIPPON STEEL CORPORATION, TOKYO, JP;ONO, JIRO, C/O NIPPON STEEL CORPORATION, TOKYO, JP |