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NAT LEAD CO
NL Industries Inc
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NAT LEAD CO
NL Industries Inc
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Publication of FR1089488ApublicationCriticalpatent/FR1089488A/fr
C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
C22B34/00—Obtaining refractory metals
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Chemical & Material Sciences
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Materials Engineering
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Mechanical Engineering
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Organic Chemistry
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FR1089488D1952-12-161953-12-16Procédé pour l'élimination des impuretés d'un métal réfractaire, et produits conformes à ceux obtenus par ledit procédé
ExpiredFR1089488A
(fr)
Procédé de fabrication de briques réfractaires à canal pour plaques de coulée à jaillissement pour acier et matières analogues, et produits obtenus par ce procédé