About HASHIMOTO MITSUO
About 新日本製鉄
About OTOMO SEIJI
About 新日本製鉄
About YOSHIDA KOICHIRO
About 新日本製鉄
About KURAHASHI RYURO
About 新日本製鉄
About rolling mill roll
About CPC法
About Casting method,pouring
About Rolling equipment
About Clad materials
About CPC
About プロセス
About ロール
About 開発