About HAGA SEIICHI
About 北海道科学大学短大
About NARITA DAISUKE
About 北海道科学大学短大
About HAYASHI KOICHI
About 北海道科学大学短大
About 北海道科学大学研究紀要(Web)
About damage and injury
About clear coatings
About automotive body structure
About repair
About scratch hardness
About luster
About scratch
About automotive body
About glossiness
About Properties of paints
About スリ傷