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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
B23K11/00—Resistance welding; Severing by resistance heating
B23K11/08—Seam welding not restricted to one of the preceding subgroups
B23K11/093—Seam welding not restricted to one of the preceding subgroups for curved planar seams
FR519049A1916-01-201920-07-06Perfectionnements aux machines à souder électriques
ExpiredFR519049A
(fr)