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 Pavel Ing Csc Smejkal, Milos Ing Csc JelinekfiledCriticalPavel Ing Csc Smejkal
Priority to CS52389ApriorityCriticalpatent/CS273449B1/en
Publication of CS52389A1publicationCriticalpatent/CS52389A1/en
Publication of CS273449B1publicationCriticalpatent/CS273449B1/en