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Application filed by Frantisek Ing Slamenik, Dusan Ing Csc VavrouchfiledCriticalFrantisek Ing Slamenik
Priority to CS837240ApriorityCriticalpatent/CS233543B1/cs
Publication of CS724083A1publicationCriticalpatent/CS724083A1/cs
Publication of CS233543B1publicationCriticalpatent/CS233543B1/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.