Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zdenek Friml, Rudolf Exner, Frantisek Esterka, Irena ValisovafiledCriticalZdenek Friml
Priority to CS853576ApriorityCriticalpatent/CS187164B1/cs
Publication of CS187164B1publicationCriticalpatent/CS187164B1/cs