test (1) solubilité (1) acte législatif (1) science (1) restauration (1) papier (1) fer (1) encre (1) extraction (1) alcool (1) conservation (1) ligne (1) Conservation (1) Treatment (1) Identification (1) Derivatives (1) Pink (1) Water (1) Solubility (1) Science (1) Reweaving (1) Repairing (1) Process (Law) (1) Paper (1) Matter (1) Manuscripts (1) Legal documents (1) Iron (1) Ink (1) Identification (1)