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Publication of FR369189ApublicationCriticalpatent/FR369189A/fr
B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
B24B3/24—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of drills
B24B3/247—Supports for drills
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Engineering & Computer Science
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Mechanical Engineering
(AREA)
FR369189D1906-08-241906-08-24Pince pour l'émoulage des forets en spirale
ExpiredFR369189A
(fr)