Automatic control system of sludge discharge interval for oil purifier
油清浄機スラッジ排出間隔自動設定システム

Masahiro Moriguchi, Yasuhisa Tanaka
1992 JOURNAL OF THE MARINE ENGINEERING SOCIETY IN JAPAN  
doi:10.5988/jime1966.27.409 fatcat:srssxbteyfe7to7b35doptg4cm