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 Lacina, Hynek Ing Csc SiedekfiledCriticalJiri Ing Lacina
Priority to CS869615ApriorityCriticalpatent/CS259000B1/en
Publication of CS961586A1publicationCriticalpatent/CS961586A1/en
Publication of CS259000B1publicationCriticalpatent/CS259000B1/en