About GUEVARRA D S
About Nagaoka Univ. Technol., Niigata, JPN
About KYUSOJIN A
About Nagaoka Univ. Technol., Niigata, JPN
About ISOBE H
About Nagaoka Univ. Technol., Niigata, JPN
About KANEKO Y
About KSS Co., Ltd., Niigata, JPN
About Precision Engineering
About ball screw
About lapping
About Grinding
About ボールねじ
About ラッピング
About 開発
About 試作
About 工具
About 可能性
About 研究