The Story of Alternating Current Arc Welding
The Story of Alternating Current Arc Welding
The Story of Alternating Current Arc Welding უყურეთ ონლაინ ქართულად. 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.
- ჟანრი: დოკუმენტური
- ქვეყანა: United States
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