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Publication of FR855563ApublicationCriticalpatent/FR855563A/fr
B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
B23D21/00—Machines or devices for shearing or cutting tubes
B23D21/14—Machines or devices for shearing or cutting tubes cutting inside the tube
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FR855563D1938-06-011939-06-01Procédé et appareil pour sectionner les extrémités des tubes
ExpiredFR855563A
(fr)