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Publication of ZA703533BpublicationCriticalpatent/ZA703533B/xx
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
B23K9/00—Arc welding or cutting
B23K9/02—Seam welding; Backing means; Inserts
B23K9/025—Seam welding; Backing means; Inserts for rectilinear seams
B23K9/0253—Seam welding; Backing means; Inserts for rectilinear seams for the longitudinal seam of tubes
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ZA703533A1969-05-291970-05-25Improvements in or relating to the manufacture of composite electrical conductors
ZA703533B
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