2014VDI 3397 Blatt 2-2014 Maintenance of metalworking fluids for metalcutting and forming operations - Measures for maintaining quality, process improvement, and for reducing solid and liquid waste
2005VDI 3397 Blatt 2-2005 Maintenance of metalworking fluids - Measures for maintaining quality, and for reducing solid and liquid waste
1994VDI 3397 Blatt 2-1994 Pflege von Kuehlschmierstoffen fuer die Metallbe- und -verarbeitung - Massnahmen zur Qualitaetserhaltung@ Abfall- und Abwasserverminderung