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Application filed by Josef Ing KonecnyfiledCriticalJosef Ing Konecny
Priority to CS832185ApriorityCriticalpatent/CS231483B1/cs
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Publication of CS231483B1publicationCriticalpatent/CS231483B1/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.