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B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
B23P17/00—Metal-working operations, not covered by a single other subclass or another group in this subclass
B23P17/04—Metal-working operations, not covered by a single other subclass or another group in this subclass characterised by the nature of the material involved or the kind of product independently of its shape
B23P17/06—Making steel wool or the like
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FR722605D1931-08-201931-08-20Perfectionnements apportés aux machines à confectionner les tampons
ExpiredFR722605A
(fr)