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

Walter Wrobel

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Arrangement and method for illuminating the lens of the...

Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Objective type
Reexamination Certificate

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Process and apparatus for the ablation of a surface

Electric heating – Metal heating – By arc
Patent

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Profile ID: LFUS-PAI-P-1416785

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