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 SU853866303Aexternal-prioritypatent/SU1627088A3/en
Application filed by Conoco IncfiledCriticalConoco Inc
Publication of LV5674A3publicationCriticalpatent/LV5674A3/en