About TAKANO TAKAKAZU
About RENGAKUJI SEIICHI
About IKENO SUSUMU
About NAKAMURA YUKO
About SHIMASAKI CHOICHIRO
About 電気化学および工業物理化学
About high speed steel tool
About Electroplating
About Other cutting
About ハイス
About 鉄
About タングステン合金
About めっき皮膜
About 付着性
About 硬さ