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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
B23K23/00—Alumino-thermic welding
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Engineering & Computer Science
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Mechanical Engineering
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Butt Welding And Welding Of Specific Article
(AREA)
Machines For Laying And Maintaining Railways
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AT71448D1912-12-191913-10-13Verfahren und Einrichtung zum Verschweißen von eingebetteten Schienen oder anderen festliegenden Werkstücken.
AT71448B
(de)