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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
B23K5/00—Gas flame welding
B23K5/006—Gas flame welding specially adapted for particular articles or work
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FR804976D1935-04-161936-04-16Procédé pour la soudure des entretoises dans les boîtes à feu
ExpiredFR804976A
(fr)