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Application filed by Milos Ing Csc Kravciv, Antonin Ing CernyfiledCriticalMilos Ing Csc Kravciv
Priority to CS836522ApriorityCriticalpatent/CS240287B1/cs
Publication of CS652283A1publicationCriticalpatent/CS652283A1/cs
Publication of CS240287B1publicationCriticalpatent/CS240287B1/cs
Procedimiento para preparar derivados del acido 7beta-(carboxialquenoilamino)-(1-o,1-5 o 1-50)-3 cefem-4- carboxilico, y los intermediarios de aplicacion exclusiva en dicho procedimiento.