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 Vrkoc Jan, Ivan Doc Rndr Drsc Hrdy, Krecek Jan, Milic Dr Ing Pokorny, Vaclav Prom Chem Rabas, Frantisek Rndr Csc Rettich, Vaclav Rndr Csc Rupes, Jiri Rndr Ryba, Vrba ZdenekfiledCriticalVrkoc Jan
Priority to CS869933ApriorityCriticalpatent/CS258850B1/cs
Publication of CS993386A1publicationCriticalpatent/CS993386A1/cs
Publication of CS258850B1publicationCriticalpatent/CS258850B1/cs