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B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
B27J—MECHANICAL WORKING OF CANE, CORK, OR SIMILAR MATERIALS
B27J5/00—Mechanical working of cork
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FR879556D1942-02-231942-02-23Procédé et dispositif pour la fabrication de bouchons de fermeture en liège, bois ou matière analogue
ExpiredFR879556A
(fr)