| General welding apparatus: |
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| Buries the arc automatic welding machine |
the electric arc stud welding machine |
the contravariant direct current welding machine |
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| the silicon-controlled rectifier rectification gas protection welding machine |
the air plasma cutter |
the carbon dioxide welding machine |
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| the silicon-controlled rectifier rectification welding machine |
the steel bar butt welding machine |
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| the direct current pulse argon arc welding machine |
the square-wave alternating and direct argon arc welding machine |
A.C. -D.C many welding
machines |
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the contravariant direct current welding machine |
the miniature plasma cutter |
the spot welder |
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the a.c. arc welding machine |
hands over/Direct current dual purpose arc welding machine |
automatic fillet welding machine |
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alternator. |