About OKUBO MICHINORI
About 日本大 生産工
About welding
About succession
About industrial education
About school education
About production technology
About graduate school
About mechanical engineering
About aluminum base alloy
About different metal welding
About welding power source
About digital control
About dissimilar material joining
About welding
About skill tradition
About engineer education
About university education
About production engineering
About engineer training
About department
About Education, Graduate
About bonding engineering
About different metal joining
About Welding general
About Engineering education
About 技能伝承
About 教育
About 工学部