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SOC PRODUITS AZOTES SA
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SOC PRODUITS AZOTES SA
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Application filed by SOC PRODUITS AZOTES SAfiledCriticalSOC PRODUITS AZOTES SA
Application grantedgrantedCritical
Publication of FR554259ApublicationCriticalpatent/FR554259A/fr
FR554259D1921-11-281921-11-28Procédé d'obtention de cyanamide de calcium en grains avec production d'un faible pourcentage de poudre
ExpiredFR554259A
(fr)