4. Metallurgical apparatus
  5. Means for cutting solid metal with heat, e.g., blowpipes
  6. Means for removing surface material, e.g., scarfing

Bertrand Donze

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Flame-cutting of cold or hot slabs using one or more...

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

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Gas torch with visual observation device

Metallurgical apparatus – Means for cutting solid metal with heat – e.g. – blowpipes – Means for removing surface material – e.g. – scarfing
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Oxygen cutting of slabs

Electric heating – Metal heating – By arc
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1187788

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