B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
B23K9/00—Arc welding or cutting
B23K9/24—Features related to electrodes
B23K9/28—Supporting devices for electrodes
B23K9/30—Vibrating holders for electrodes
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Butt Welding And Welding Of Specific Article
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Procede de fabrication de roulements a aiguilles, dispositif et chaine rotative a convoyeurs pour sa mise en oeuvre et roulements a aiguilles obtenus par ledit procede