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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
B23K1/00—Soldering, e.g. brazing, or unsoldering
B23K1/20—Preliminary treatment of work or areas to be soldered, e.g. in respect of a galvanic coating
FR835097D1937-04-171938-03-11
Welding and brazing process
ExpiredFR835097A
(en)