4. Metallurgical apparatus
  5. Means for melting or vaporizing metal or treating liquefied...
  6. Continuous refining

Denby Harcourt Ward

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Apparatus for debismuthising lead

Metallurgical apparatus – Means for melting or vaporizing metal or treating liquefied... – Continuous refining
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Continuous sulphur drossing process

Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes
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Process for debismuthizing lead

Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes
Patent

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