| 摘要 |
<p>Abrasive member (1), having at least a layer of abrasive material (40), said member further having at least a first (101) and a second (102) face, said first face being at least partially covered or composed of said at least one layer of abrasive material (40), and said abrasive member further having at least a port (2) like a hole or dead hole, wherein said at least one port (2) is at least part of a graphic and/or numeric and/or alphanumeric message (3).</p> |
