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 Jaroslav Orsulak, Zelina Pavol, Hladky MilosfiledCriticalJaroslav Orsulak
Priority to CS867197ApriorityCriticalpatent/CS261059B1/en
Publication of CS719786A1publicationCriticalpatent/CS719786A1/en
Publication of CS261059B1publicationCriticalpatent/CS261059B1/en