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B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
B27K5/0085—Thermal treatments, i.e. involving chemical modification of wood at temperatures well over 100°C
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FR32625D1926-12-131926-12-13Procédé et dispositif de conservation de poteaux en bois
ExpiredFR32625E
(fr)