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GEA Group AG
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Metallgesellschaft AG
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Publication date
Application filed by Metallgesellschaft AGfiledCriticalMetallgesellschaft AG
Application grantedgrantedCritical
Publication of FR827145ApublicationCriticalpatent/FR827145A/fr
FR827145D1936-10-061937-09-27Procédé de préparation au traitement métallurgique des minerais de fer pauvres, particulièrement des minerais oolithiques
ExpiredFR827145A
(fr)
Procédé pour le traitement métallurgique de grains oolithiques extraits des minettes, ainsi que d'autres minerais pulvérulents ou minerais impalpables à forte teneur en fer