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Application filed by Institutul PolitehnicfiledCriticalInstitutul Politehnic
Priority to RO117498ApriorityCriticalpatent/RO91541B1/ro
Publication of RO91541A2publicationCriticalpatent/RO91541A2/fr
Publication of RO91541B1publicationCriticalpatent/RO91541B1/ro
Procedimiento para la obtencion de y-lactonas de acidos 6 beta, 17-dihidroxi-7 alfa-(alcoxi inferior) -carbonil-3-oxo-17 alfa'pregn-4-eno-21-carboxilicos.