| 摘要 |
<p>1514766 Carbonless copy paper A E STALEY MFG CO 10 June 1975 [10 June 1974] 24786/75 Heading C4A [Also in Division C3] A protective material to prevent wet ink transfer between freshly printed sheets and for protecting carbonless copy paper microencapsulated ink coatings comprises starch granules derived from legumes and having an average size ranging from 20-75 microns, and having been treated to remove protein and fibre residues.</p> |
