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 Vresky Albert, Jan Ing Svozil, Cintl PetrfiledCriticalVresky Albert
Priority to CS858503ApriorityCriticalpatent/CS256462B1/en
Publication of CS850385A1publicationCriticalpatent/CS850385A1/en
Publication of CS256462B1publicationCriticalpatent/CS256462B1/en