About YOSHIOKA T
About Mechanical Engineering Lab. Ministry of International Trade and Industry, Ibaraki
About FUJIWARA T
About Mechanical Engineering Lab. Ministry of International Trade and Industry, Ibaraki
About ASME. PED (American Society of Mechanical Engineers. Production Engineering Div.)
About rolling bearing
About rolling contact fatigue
About Bearings
About Nondestructive testing
About ころがり軸受
About 破壊