The Story of Alternating Current Arc Welding
The Story of Alternating Current Arc Welding
Guarda The Story of Alternating Current Arc Welding Streamingcommunity. 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.
- ジャンル: ドキュメンタリー
- 国: United States
- ディレクター:
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