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

Joel H. Cohen

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Arc welding apparatus with variable polarity reversing device an

Electric heating – Metal heating – By arc
Patent

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Low electric D.C., low time rate polarity reversing arc welding

Electric heating – Metal heating – By arc
Patent

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Method and replacement member for repairing a gas turbine engine

Rotary kinetic fluid motors or pumps – Working fluid passage or distributing means associated with... – With runner having corrosion resistant or nonmetallic portion
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Profile ID: LFUS-PAI-P-365241

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