About YOSHIDA HAJIME
About SAWAKI YOZO
About SAKAIDA YOSHIHISA
About MATSUOKA YU
About トヨタ車体(株)
About spur gear
About extrusion molding
About low carbon steel
About carburizing (heat treatment)
About thermoforming filling
About formability
About distribution
About modification
About hardness distribution
About Special forming
About Gears,gear units
About 浸炭
About 試料
About 平歯車
About 押出し成形