Hybrid sheet, such as a security sheet, formed by assembling a fibrous part and a plastic part
作者： Sebastien Charignon , Henri Rosset
DOI:
关键词:
摘要: The invention relates to a sheet of given size, having rear face and front face. is characterised in that it includes at least one part which made from fibrous material other plastic adjacent the part, said parts being joined zone two materials overlap. partially forms side free transparent or translucent zone.
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