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 Jan Ing Farnik, Kaplan Lubor, Kapralel Alexandr, Karel MasekfiledCriticalJan Ing Farnik
Priority to CS888325ApriorityCriticalpatent/CS268498B1/en
Publication of CS832588A1publicationCriticalpatent/CS832588A1/en
Publication of CS268498B1publicationCriticalpatent/CS268498B1/en