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Priority claimed from FR8907943Aexternal-prioritypatent/FR2648455B1/fr
Application filed by Societe Europeenne Des Produits RefractairesfiledCriticalSociete Europeenne Des Produits Refractaires
Publication of HK1001049A1publicationCriticalpatent/HK1001049A1/zh
Publication of HK1001049BpublicationCriticalpatent/HK1001049B/zh