About HORIE HIROSHI
About KOWATA TOSHINORI
About ABE KISAO
About 素形材セ
About CHIDA AKIO
About 日下レアメタル研
About nodular graphite cast iron
About nodule count
About Various techniques for casting
About Transformation structures,work structures
About 薄肉
About 球状黒鉛鋳鉄
About 黒鉛
About 粒数
About 湯
About 硫黄
About 冷却速度
About 希土類元素