摘要 |
<p>A watermarked paper sheet for use in a xerographic ion deposition or magnetographic printing process, in which the sheet has print receiving and reverse sides, the print receiving side of the sheet having a surface resistivity of between 5 x 10<1><0> and 5 x 10<1><2> ohms per square and a Bendsten roughness of not more than 300 millilitres, and the reverse side being formed with a watermark.</p> |