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
Priority claimed from CS764324Aexternal-prioritypatent/CS190723B1/en
Application filed by Fisnerova Ludmila, Alena Dvorakova, Hajicek Josef, Pavel Pihera, Brunova Bohumila, Michalsky Jiri, Prehnal Arnost, Ferenc Milan, Grimova JaroslavafiledCriticalFisnerova Ludmila
Priority to CS766687ApriorityCriticalpatent/CS264470B3/en
Publication of CS766687A1publicationCriticalpatent/CS766687A1/en
Publication of CS264470B3publicationCriticalpatent/CS264470B3/en