首页>
外国专利>
SHEET INCLUDING AT LEAST ONE WATERMARK OR PSEUDO-WATERMARK THAT IS OBSERVABLE FROM ONLY ONE FACE OF THE SHEET
SHEET INCLUDING AT LEAST ONE WATERMARK OR PSEUDO-WATERMARK THAT IS OBSERVABLE FROM ONLY ONE FACE OF THE SHEET
展开▼
机译：包含至少一张水印或伪水印的印张，仅可从印张的一面看到
展开▼
页面导航
摘要
著录项
相似文献
摘要
The present invention relates to a sheet comprising at least one watermark or a pseudo-watermark with a front side and a back side, wherein at least a part of the watermark or the pseudo-watermark can be observed in only one side of the sides of the sheet in transmitted light.
展开▼
