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 Jiri Ing Prachensky, Oldrich Ing Holman, Milan Ing Franz, Josef VokalfiledCriticalJiri Ing Prachensky
Priority to CS848485ApriorityCriticalpatent/CS242141B1/en
Publication of CS848584A1publicationCriticalpatent/CS848584A1/en
Publication of CS242141B1publicationCriticalpatent/CS242141B1/en