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 Jan Ing Csc Halousek, Blaha JirifiledCriticalJan Ing Csc Halousek
Priority to CS855715ApriorityCriticalpatent/CS256879B1/en
Publication of CS571585A1publicationCriticalpatent/CS571585A1/en
Publication of CS256879B1publicationCriticalpatent/CS256879B1/en