Search Results       Your search for [author]Leonardus Janssen and Sigrid Thoma returned 1 record.           Accurate metering in wet-in-wet impregnation. by Leonardus Janssen and Sigrid Thoma; Subject: Measuring and metering system; Seclarin DOS-CON; Hydrogen peroxide bleaching.          Add to Book Cart Relevance: 44.71%