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B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
B27D—WORKING VENEER OR PLYWOOD
B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
B27D1/04—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring to produce plywood or articles made therefrom; Plywood sheets
B27D1/06—Manufacture of central layers; Form of central layers
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FR946716D1947-05-091947-05-09Procédé et machine pour l'obtention de panneaux de bois composés et produits en résultant
ExpiredFR946716A
(fr)
Procédé pour la fabrication d'un caramel non hygroscopique ou pratiquement non hygroscopique d'une matière colorante ou de produits analogues en chauffant des sucres en présence de substances alcalines
Procédé pour la fabrication d'un caramel non grumeleux ou pratiquement non grumeleux, d'une matière colorante et de produits analogues en chauffant des sucres en présence de substances alcalines