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C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
C08L97/00—Compositions of lignin-containing materials
C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse
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FR326580D1902-11-221902-11-22Nouvelle substance destinée à remplacer le liège et le bois de liège, et procédé de fabrication de cette substance
ExpiredFR326580A
(fr)