申请人 |
NIPPON STEEL CORPORATION;KAWACHI, TAKESHI;YAMAMURA, KAZUTO;MITAKE, HIROYUKI;KINOSHITA, JUNICHI;IMANAGA, KATSUHIRO;DOKI, MASAHIRO;KIMURA, YOSHIAKI;KAWABATA, TERUO |
发明人 |
KAWACHI, TAKESHI;YAMAMURA, KAZUTO;MITAKE, HIROYUKI;KINOSHITA, JUNICHI;IMANAGA, KATSUHIRO;DOKI, MASAHIRO;KIMURA, YOSHIAKI;KAWABATA, TERUO |