申请人 |
NIPPON STEEL CORPORATION;NITTETSU STEEL SHEET CORPORATION;KAJIMA CORPORATION;MATSUMOTO, MORIHIRO;OKUZAKI, YUJI;MINO, JIROH;YAMADA, YONEO;SAITO, TAKESHI;HAMANO, TAKUBI |
发明人 |
MATSUMOTO, MORIHIRO;OKUZAKI, YUJI;MINO, JIROH;YAMADA, YONEO;SAITO, TAKESHI;HAMANO, TAKUBI |