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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
B23K13/00—Welding by high-frequency current heating
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FR446441D1912-07-031912-07-03Procédé pour le soudage électrique au moyen de courants d'induction
ExpiredFR446441A
(fr)