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 HUCI001266priorityCriticalpatent/HU165027B/hu
Priority to DD17287973Aprioritypatent/DD108287A1/xx
Priority to DD17816873Aprioritypatent/DD113900A1/xx
Priority to SU1958155Aprioritypatent/SU554811A3/ru
Priority to YU221373Aprioritypatent/YU221373A/xx
Publication of HU165027BpublicationCriticalpatent/HU165027B/hu