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 Teodor Ing Petrus, Paulovic MilanfiledCriticalTeodor Ing Petrus
Priority to CS862007ApriorityCriticalpatent/CS253432B1/en
Publication of CS200786A1publicationCriticalpatent/CS200786A1/en
Publication of CS253432B1publicationCriticalpatent/CS253432B1/en