| http://www.w3.org/ns/prov#value | - Process for nonpolluting mass deacidification of at least on book and other paper product using a neutralization treatment with a solution for deacidification and subsequent drying of the organic solvent or solvents suitable for the treatment of the books and other paper products, characterized in that a predrying of the at least one book or other paper product for substantially removing the moist
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