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 Universal Oil Prod Co, J O LoganfiledCriticalUniversal Oil Prod Co
Priority to KR7300760ApriorityCriticalpatent/KR780000014B1/en
Application grantedgrantedCritical
Publication of KR780000014B1publicationCriticalpatent/KR780000014B1/en