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
B23K1/00—Soldering, e.g. brazing, or unsoldering
B23K1/14—Soldering, e.g. brazing, or unsoldering specially adapted for soldering seams
B23K1/16—Soldering, e.g. brazing, or unsoldering specially adapted for soldering seams longitudinal seams, e.g. of shells
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Butt Welding And Welding Of Specific Article
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