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 Miletin Jiri, Pavel Ing Helis, Stanislav WaisfiledCriticalMiletin Jiri
Priority to CS89193ApriorityCriticalpatent/CS270772B1/en
Publication of CS19389A1publicationCriticalpatent/CS19389A1/en
Publication of CS270772B1publicationCriticalpatent/CS270772B1/en