4. Metallurgical apparatus
  5. Means treating solid metal
  6. By contact with gas

Donald J. Schwalm

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Carburizing furnace

Metallurgical apparatus – Means treating solid metal – By contact with gas
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Furnace for bright annealing of copper

Metallurgical apparatus – With control means responsive to sensed condition – With temperature sensor
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Method of controlling furnace atmospheres

Metal treatment – Compositions – Heat treating
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Profile ID: LFUS-PAI-P-1497429

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