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 Oldrich Ig Csc Svajgl, Jaromir Ing Csc Lderer, Cerny Jaroslav, Jiri Ing Csc Schoeng, Rybar Petr, Macek Vladimir, Bgon Ing Csc Bckert, Petr FilipfiledCriticalOldrich Ig Csc Svajgl
Priority to CS862677ApriorityCriticalpatent/CS256308B1/en
Publication of CS267786A1publicationCriticalpatent/CS267786A1/en
Publication of CS256308B1publicationCriticalpatent/CS256308B1/en