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 Okb Ministarstva GeolfiledCriticalOkb Ministarstva Geol
Priority to YU15870ApriorityCriticalpatent/YU33138B/en
Publication of YU15870ApublicationCriticalpatent/YU15870A/en
Publication of YU33138BpublicationCriticalpatent/YU33138B/en