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 HU831022Aexternal-prioritypatent/HU189254B/en
Application filed by Gyoergy Boros, Robert Gulacsy, Gyoergy Laszlo, Pal NarancsikfiledCriticalGyoergy Boros
Application grantedgrantedCritical
Publication of ATE65451T1publicationCriticalpatent/ATE65451T1/en