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Nikex Nehezipari Kulkereskedelmi Vallalat
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Nikex Nehezipari Kulkereskedelmi Vallalat
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Priority to ES411606ApriorityCriticalpatent/ES411606A3/es
Publication of ES411606A3publicationCriticalpatent/ES411606A3/es
Process and installation for concentrating high-ash coal slimes by flotation,especially for concentrating gas coals and open-burning coals which are difficult to float
Metodo mejorado para reducir minerales de hierro en particulas a hierro esponja en particulas,en un reactor vertical que emplea un gas conteniendo metano