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 filedfiledCritical
Priority to HUEE001999priorityCriticalpatent/HU165038B/hu
Priority to AT691672Aprioritypatent/AT340535B/de
Publication of HU165038BpublicationCriticalpatent/HU165038B/hu