4. C - Chemistry, Metallurgy
  5. 22
  6. B

Hans Hoffgen

C - Chemistry – Metallurgy – 22 – B

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Country: Germany

Apparatus for introducing gas to molten metal

C - Chemistry – Metallurgy – 21 – C
Patent

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Gas plug for metallurgical vessels

C - Chemistry – Metallurgy – 22 – B
Patent

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Metallurgical gas plug

C - Chemistry – Metallurgy – 22 – B
Patent

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Profile ID: LFCA-PAI-P-1137427

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