About OZUMI TOSHIYUKI
About 昭和シェル石油
About SAKAI TAKATOSHI
About いすず自動車
About SUGIYAMA KATSUMASA
About いすず自動車
About BOOTH M
About 昭和シェル石油
About 自動車技術会学術講演会前刷集
About diesel engine
About Compression ignition engines
About Various petroleum products and their manufacturing in general
About Properties of ceramics and ceramic whiteware
About 窒化けい素
About 摩耗
About エンジン油
About 添加剤