About MIYAZAKI MAMORU
About 三菱石油 石油製品研
About HOSHINO MICHIO
About 三菱石油 石油製品研
About wet method
About Lubrication in general
About Various petroleum products and their manufacturing in general
About 摩擦
About 潤滑
About 摩擦特性
About 研究
About 摩擦材
About フリクションモディファイヤ