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 Becka Miloslav, Zdenek Blazek, Houfek Jiri, Slavomir Ing Chaloupka, Lubomir Ing Konicek, Kopecky Karel, Rudolf Ing Nezbeda, Karel PokornyfiledCriticalBecka Miloslav
Priority to CS868729ApriorityCriticalpatent/CS263437B1/en
Publication of CS872986A1publicationCriticalpatent/CS872986A1/en
Publication of CS263437B1publicationCriticalpatent/CS263437B1/en