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The Story of Alternating Current Arc Welding 1944 Ukufikelela simahla
Demonstrates the differences between alternating current and direct current arc welding processes, and in particular the finer control available with AC machines at the time.
Ixesha lokubaleka: 15 imizuzu
Umgangatho: HD
Ukukhululwa: Jan 01, 1944
Ilizwe: United States of America
Ulwimi: English
Igama elingundoqo : welding instructional