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JAMES A HMUTY FEARON
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JAMES A HMUTY FEARON
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Application filed by JAMES A HMUTY FEARONfiledCriticalJAMES A HMUTY FEARON
Application grantedgrantedCritical
Publication of FR451146ApublicationCriticalpatent/FR451146A/fr
Procédé et appareil pour préparer des azotures métalliques ou des cyanures avec des oxydes, ou des mélanges formant des oxydes, du charbon ou des hydrocarbures et de l'azote ou des gaz à teneur d'azote