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 Frantisek Ing Dusek, Vaclav Kotous, Milan Ing Malik, Pavel Ing MuchafiledCriticalFrantisek Ing Dusek
Priority to CS853938ApriorityCriticalpatent/CS260105B1/cs
Publication of CS393885A1publicationCriticalpatent/CS393885A1/cs
Publication of CS260105B1publicationCriticalpatent/CS260105B1/cs