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
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Application filedfiledCritical
Priority to HUCI001267priorityCriticalpatent/HU164727B/hu
Priority to DD17287973Aprioritypatent/DD108287A1/xx
Priority to CS573173Aprioritypatent/CS181832B1/cs
Priority to DD17816873Aprioritypatent/DD113900A1/xx
Priority to SU1958155Aprioritypatent/SU554811A3/ru
Priority to YU221373Aprioritypatent/YU221373A/xx
Publication of HU164727BpublicationCriticalpatent/HU164727B/hu