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DIN EN 643-2002
Paper and board - European list of standard grades of recovered paper and board
适用范围：This list specifies European Standard grades of recovered paper and board which gives a general description of the standard grades by defining what they do and do not contain. It is not the purpose of this European Standard to specify all the qualities of recovered paper and board that exist in the different markets, but rather to define those qualities most commonly traded in Europe.#,,#
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