4. Metallurgical apparatus
  5. Means for melting or vaporizing metal or treating liquefied...
  6. By means introducing treating material

Hans Hoffgen

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Apparatus for introducing gas to molten metal

Metallurgical apparatus – Means for melting or vaporizing metal or treating liquefied... – By means introducing treating material
Patent

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Extracting device for a gas-purge brick

Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent

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Flushing block

Metallurgical apparatus – Means for introducing fluent into vessel – e.g. – tuyere – Having means for simultaneously feeding diverse materials
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Gas bubble brick for metallurgical vessels

Metallurgical apparatus – Means for melting or vaporizing metal or treating liquefied... – By means introducing treating material
Patent

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Gas bubble brick for metallurgical vessels

Metallurgical apparatus – Means for melting or vaporizing metal or treating liquefied... – By means introducing treating material
Patent

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Profile ID: LFUS-PAI-P-1401704

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