| http://www.w3.org/ns/prov#value | - 20120325420PRODUCTION OF PAPER, CARD AND BOARD - The invention relates to a process for the production of paper, card and board, including the steps of draining a filler-containing paper stock, having a certain fibrous concentration and containing at least one water-soluble amphoteric copolymer, with sheet formation in a wire section, then pressing the paper in a press section, diluting the paper
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