About TAMANO TOSHITAKA
About 新日鉄情報通信システム
About INOUE YASUSUKE
About 新日鉄情報通信システム
About MIMAKI TOSHITARO
About 新日本製鉄 第二技研
About oil well steel tube
About Metallic materials
About Drilling and cutting
About 油井用鋼管
About 二軸
About 圧潰強度
About 推定式