About OBIKAWA TOSHIYUKI
About 東京電機大 ものづくりセ
About carbon fiber reinforced plastics
About working and processing
About difficult-to-machine material
About material
About manufacturing
About aircraft
About technology
About titanium base alloy
About end milling
About piercing
About barrel finishing
About cutting(machining)
About CFRP
About hole drilling
About barrel finishing
About processing technique
About aircraft material
About aircraft manufacture
About high efficient cutting
About finish machining
About difficult-to-cut materials machining
About Flying objects materials and production
About Machining and finishing in general
About CFRP
About 難削材加工
About 現状
About 航空機
About 産業