About SOMEJI T
About Hitachi Metals Ltd., Kumagaya
About YOSHIMURA T
About Hitachi Metals Ltd., Kumagaya
About AKIYAMA N
About Nagaoka Univ. Technol., Nagaoka
About International Journal of the Japan Society for Precision Engineering
About castings
About Casting defect
About 鋳物
About 表面検査システム
About 開発