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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
B23K11/0935—Seam welding not restricted to one of the preceding subgroups for curved planar seams of tube sections
Procede et dispositif pour accoster la section circulaire d'extremite d'une virole cylindrique avec la section circulaire d'un fond de virole en vue de leur assemblage par soudure
Procede et dispositif pour accoster la section circulaire d'extremite d'une virole cylindrique avec la section circulaire d'un fond de virole en vue de leur assemblage par soudure
