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

Françoise Prioretti-Hacking

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High speed oxyacetylene cutting of a thick steel part and...

Metal treatment – Process of modifying or maintaining internal physical... – Chemical-heat removing or burning of metal
Reexamination Certificate

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Method for oxyacetylene-cutting a piece of steel and device...

Electric heating – Metal heating – By arc
Reexamination Certificate

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Method of oxygen cutting a piece of steel, and apparatus for...

Metal treatment – Process of modifying or maintaining internal physical... – Chemical-heat removing or burning of metal
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2731691

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