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Application filed by Davis Perrett Ltd FafiledCriticalDavis Perrett Ltd Fa
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Publication of AT23496BpublicationCriticalpatent/AT23496B/de
Verfahren und Apparat, aus Paraffin und ähnlichen leicht schmelzbaren Stoffen noch anhaftendes Öl abzuscheiden und das Paraffin etc. nach Schmelzpunkten zu fraktionieren.