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 HUCI001265external-prioritypatent/HU165028B/hu
Priority claimed from HUCI001266external-prioritypatent/HU165027B/hu
Priority claimed from HUCI001267external-prioritypatent/HU164727B/hu
Application filedfiledCritical
Publication of DD113900A1publicationCriticalpatent/DD113900A1/xx