4. Electric heating
  5. Metal heating
  6. By arc

Dennis D. Harwig

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Manual arc welding speed pacer

Electric heating – Metal heating – By arc
Patent

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Method and apparatus for weld joining pipe sections

Metal fusion bonding – Process – With protecting of work or filler or applying flux
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Method for defect free keyhole plasma arc welding

Electric heating – Metal heating – By arc
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Reduced heat input keyhole welding through improved joint design

Electric heating – Metal heating – By arc
Patent

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Profile ID: LFUS-PAI-P-22527

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