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 Ludmila Silhankova, Zora Ing Kovarova, Tomas Ing Csc Ruml, Marek MiroslavfiledCriticalLudmila Silhankova
Priority to CS873916ApriorityCriticalpatent/CS266901B1/cs
Publication of CS391687A1publicationCriticalpatent/CS391687A1/cs
Publication of CS266901B1publicationCriticalpatent/CS266901B1/cs