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D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
D21H17/63—Inorganic compounds
D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
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Inorganic Chemistry
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FR708674D1930-04-031930-04-03Procédés de préparation d'un produit pour l'encollage du papier et autres usages industriels
ExpiredFR708674A
(fr)