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B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
B24B19/007—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding buttons, nail heads, screw heads, bottle capsules or the like
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FR323709D1902-06-281902-06-28Machine pour polir les capsules de bouteilles
ExpiredFR323709A
(fr)