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 SpundafiledCriticalJan Ing Spunda
Priority to CS855351ApriorityCriticalpatent/CS253014B1/en
Publication of CS535185A1publicationCriticalpatent/CS535185A1/en
Publication of CS253014B1publicationCriticalpatent/CS253014B1/en