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Application filed by Intreprinderea Miniera "Dobrogea",RofiledCriticalIntreprinderea Miniera "Dobrogea",Ro
Priority to RO93059ApriorityCriticalpatent/RO81179B1/ro
Publication of RO81179A2publicationCriticalpatent/RO81179A2/ro
Publication of RO81179B1publicationCriticalpatent/RO81179B1/ro