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 Nozicka Jiri, Tomas Ing Beran, Hana LegnerovafiledCriticalNozicka Jiri
Priority to CS881979ApriorityCriticalpatent/CS269239B1/cs
Publication of CS197988A1publicationCriticalpatent/CS197988A1/cs
Publication of CS269239B1publicationCriticalpatent/CS269239B1/cs