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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
B23P9/00—Treating or finishing surfaces mechanically, with or without calibrating, primarily to resist wear or impact, e.g. smoothing or roughening turbine blades or bearings; Features of such surfaces not otherwise provided for, their treatment being unspecified
B23P9/04—Treating or finishing by hammering or applying repeated pressure
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FR434350D1910-09-281911-09-19Perfectionnements apportés aux machines à comprimer les bagues de garniture métalliques
ExpiredFR434350A
(fr)