Method for marking a flexible structure, so flexible structure thus obtained and its use in a method for marking a cellulosic sheet
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Process for preparing a fibrous sheet by paper to improve retention and in particular opacity.
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Process for preparing a paper sheet having improved mechanical properties useful in packaging and in particular the sacks and paper sheet obtained according to said method
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Process for the preparation of a sheet of paper having improved mechanical properties, useful in the field of packaging and particularly that of bags, and sheet of paper obtained according to this process
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Process for preparing a sheet material with retention by paper-making techniques
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Bag for sodium chlorate
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Composite sheet and web materials
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Process for the treatment of waste liquors derived from cellulose manufacture
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Process for the treatment of waste liquors derived from cellulose manufacture
