4. Metal treatment
  5. Compositions
  6. Heat treating

Robert J. Ackert

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Apparatus for the production of improved railway rails by accele

Metallurgical apparatus – With control means responsive to sensed condition – With means supplying a treating agent
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Method for the manufacture of hardened railroad rails

Metal treatment – Compositions – Heat treating
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Method for the production of improved railway rails by accelerat

Metal treatment – Process of modifying or maintaining internal physical... – Chemical-heat removing or burning of metal
Patent

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Profile ID: LFUS-PAI-P-865939

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