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 Rakusan, Galina M Makarovskaja, Ivan Ing Zelenka, Tatana S Kozlova, Alena Hyhlanova, Vladimir A Smrcek, Antonin Ing RejlekfiledCriticalJan Ing Csc Rakusan
Priority to CS862864ApriorityCriticalpatent/CS256147B1/cs
Publication of CS286486A1publicationCriticalpatent/CS286486A1/cs
Publication of CS256147B1publicationCriticalpatent/CS256147B1/cs