About OBI MAKOTO
About MATSUMOTO TATSUYA
About KOBAYASHI TAKASHI
About 日本機械学会論文集 C編
About flatness(property)
About Measuring methods and instruments of length,area,cross section,volume,angle
About 平面度
About 逐次
About 測定法
About 応用
About 測定原理
About 計算