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 Milan Ing Prom Mat KvasnicafiledCriticalMilan Ing Prom Mat Kvasnica
Priority to CS199485ApriorityCriticalpatent/CS272955B1/en
Publication of CS199485A1publicationCriticalpatent/CS199485A1/en
Publication of CS272955B1publicationCriticalpatent/CS272955B1/en