About MIYAKAWA NOBORU
About YAMAMOTO KAORU
About KUWANO MASASHI
About FUJITA TAKEO
About SAWAMOTO AKIRA
About OGI KEISAKU
About high alloy steel
About Heat treatment technology
About Mechanical properties
About 炭素
About 高速度
About 鋳鋼
About 熱処理
About ころがり
About 疲労特性