About HIRAMOTO KIMIHISA
About 昭和電工
About MINAMI SHIGENARI
About 昭和電工
About SAKIHAMA HIDEKAZU
About 昭和電工
About aluminum base alloy
About heat exchanger
About heat transfer pipe
About extruding dies
About plastic flow(rheology)
About machining force
About displacement(transfer)
About thermal spraying
About zinc
About stability
About variance
About arc phenomenon
About electric conduction
About variance
About Extrusion
About Thermal spraying
About 熱交換器用チューブ
About 開発