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
B23K9/02—Seam welding; Backing means; Inserts
B23K9/025—Seam welding; Backing means; Inserts for rectilinear seams
B23K9/0253—Seam welding; Backing means; Inserts for rectilinear seams for the longitudinal seam of tubes
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Butt Welding And Welding Of Specific Article
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Ensemble a machoires tournantes pour machines d'empaquetage, en particulier pour machines d'empaquetage pour emballage tubulaire du type a empaquetage continu ou analogue