Contents
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Requires Authentication UnlicensedTiteleiLicensedOctober 21, 2009
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Requires Authentication UnlicensedSonstigesLicensedOctober 21, 2009
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Requires Authentication UnlicensedAscertainment of the Original Technology for Manufacturing Leather Used for Gospel-Book BindingLicensedOctober 21, 2009
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Requires Authentication UnlicensedPermanence of Paper in Polish Books of the Period 1900—1994LicensedOctober 21, 2009
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Requires Authentication UnlicensedEvaluation of Adhesives and Supporting Materials for the Process of Lamination of Old DocumentsLicensedOctober 21, 2009
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Requires Authentication UnlicensedHydroxypropyl Cellulose and Polyvinyl Alcohol on Paper as Fixatives for Pigments and DyesLicensedOctober 21, 2009