| 申请人 |
MITSUBISHI MATERIALS CORP., TOKIO/TOKYO, JP;NIPPON STEEL CORP., TOKIO/TOKYO, JP |
发明人 |
YATSUZUKA, TAKASHI, KITAKYUSHU, FUKUOKA, JP;OHBA, TETSUYA, MURORAN, HOKKAIDO, JP;TANABE, KOUJI, MURORAN, HOKKAIDO, JP;KOJIMA, TATSUO, GIFU, JP;KOBAYASHI, TATSUNOBU, GIFU, JP;KATOU, KOUKI, GIFU, JP |
