About HUANG W
About HORIE HIROSHI
About NAKAMURA MITSURU
About KOEATA TOSHINORI
About KITAGAWA MASAYOSHI
About 栗本鉄工所
About KIM C-G
About Pukyong National Univ.
About nodular graphite cast iron
About Welding techniques
About 球状黒鉛鋳鉄
About 軟鋼
About 摩擦圧接