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
Priority claimed from CS84594Aexternal-prioritypatent/CS241565B1/en
Application filed by Niepel Wiliam, Viera Ing Kostolaniova, Radoslav Ing Svec, Peter Ing LadislavfiledCriticalNiepel Wiliam
Priority to CS779688ApriorityCriticalpatent/CS269695B3/en
Publication of CS779688A1publicationCriticalpatent/CS779688A1/en
Publication of CS269695B3publicationCriticalpatent/CS269695B3/en