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Article formed from at least a fibrous material jet comprising at least a null thickness zone and method for making same
Article formed from at least a fibrous material jet comprising at least a null thickness zone and method for making same
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机译:由至少包括至少一个零厚度区域的纤维材料射流形成的制品及其制造方法
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摘要
The present invention relates to an article formed from at least one ply of fibrous material comprising at least one region of zero thickness, characterized in that said region is covered on at least one of its faces with an at least partly transparent or translucent structure placed so as to reveal a transparent or translucent window in the paper.
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