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 Olga Ing Galambosova, Jan Ing KubovcikfiledCriticalOlga Ing Galambosova
Priority to CS812726ApriorityCriticalpatent/CS231756B1/en
Publication of CS272681A1publicationCriticalpatent/CS272681A1/en
Publication of CS231756B1publicationCriticalpatent/CS231756B1/en