发明名称 Electrotype comprising mesh and image forming element for use in paper making
摘要 The invention relates to improvements in methods of making security features, in particular electrotype security features. The electrotype for forming an image during a paper making process comprises a mesh to which is attached at least one image forming element.
申请公布号 GB2501972(B) 申请公布日期 2014.04.09
申请号 GB20130003970 申请日期 2013.03.06
申请人 DE LA RUE INTERNATIONAL LIMITED 发明人 PAUL HOWLAND
分类号 D21F1/44;B41C3/08;B42D15/00 主分类号 D21F1/44
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