About KONO MASAKI
About NAKASAKO MASAKAZU
About NADANO HIROMASA
About FUKADA KAZUNORI
About 鋼鈑工業
About YAMANE KENSAKU
About 鋼鈑工業
About KUBO YOSHINORI
About 日本機械学会論文集 C編
About gear
About Gears,gear units
About Surface hardening
About プラズマ
About 表面硬化処理
About 歯車
About 強さ