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 Klein Frantisek, Vaclavik Leos, Kirchner StanislavfiledCriticalKlein Frantisek
Priority to CS863282ApriorityCriticalpatent/CS265463B1/en
Publication of CS328286A1publicationCriticalpatent/CS328286A1/en
Publication of CS265463B1publicationCriticalpatent/CS265463B1/en