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 Josef Hnilicka, Jaroslav HnilickafiledCriticalJosef Hnilicka
Priority to CS1076ApriorityCriticalpatent/CS180362B1/cs
Publication of CS180362B1publicationCriticalpatent/CS180362B1/cs