About KOWATA TOSHINORI
About HORIE HIROSHI
About HIRATSUKA SADATO
About recycling
About graphite
About Mechanical properties
About Various techniques for casting
About Waste treatment
About 鋳鉄
About 鋳物
About リサイクル材料
About 溶解
About 溶湯処理
About 高マンガン鋼
About スクラップ
About リサイクル
About 球状黒鉛鋳鉄
About 機械的性質