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Application filed by Milan Ing HauskafiledCriticalMilan Ing Hauska
Priority to CS831680ApriorityCriticalpatent/CS232384B1/cs
Publication of CS168083A1publicationCriticalpatent/CS168083A1/cs
Publication of CS232384B1publicationCriticalpatent/CS232384B1/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.