申请人 |
NIPPON STEEL CORP., TOKIO/TOKYO, JP |
发明人 |
TAKADA, HIROMASA, NIPPON STEEL CORPORATION, MURORAN-SHI, HOKKAIDO 050, JP;KOYASU, YOSHIRO, NIPPON STEEL CORPORATION, MURORAN-SHI, HOKKAIDO 050, JP;MORI, MOTOHIDE, OKAZAKI-SHI, AICHI 444, JP;SUZUKI, MASAMI, OKAZAKI-SHI, AICHI 444, JP |