İngilizce | Almanca | |
---|---|---|
Patent | ||
Patent | heat treatment of steel | Wärmebehandlung von Stahl |
İngilizce | Almanca | |
---|---|---|
Patent | ||
Patent | heat treatment of strip steel | Wärmebehandlung von Bandstahl |
Patent | coverings for limiting the heat treatment of steel | Abdeckmittel zum örtlichen Begrenzen der Wärmebeha |