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 Vaclav Ing Hanus, Vera Ing Malechova, Jiri Ing Csc Neuvirt, Pavel Ing Tyle, Chromicky Karol, Vladimir Ing KosibafiledCriticalVaclav Ing Hanus
Priority to CS863517ApriorityCriticalpatent/CS258821B1/en
Publication of CS351786A1publicationCriticalpatent/CS351786A1/en
Publication of CS258821B1publicationCriticalpatent/CS258821B1/en