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FR JULIUS SCHREYER SOC
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D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
D21B1/00—Fibrous raw materials or their mechanical treatment
D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
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FR431044D1910-06-191911-06-14Procédé d'obtention de cellulose à l'aide de bois, déchets de bois, de paille, de jonc et autres substances analogues
ExpiredFR431044A
(fr)
Procédé pour la production d'alcool au moyen des lessives de déchet provenant de la fabrication de la pâte de bois à l'aide de sulfites solubles
Procédé pour la fabrication de produits durs de condensation de l'aldéhyde formique et du phénol avec le goudron de houille, la térébenthine et autres matières organiques