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 PL15507972ApriorityCriticalpatent/PL78899B1/xx
Priority to DD17049573Aprioritypatent/DD103235A5/xx
Priority to HUII000144prioritypatent/HU165698B/hu
Priority to RO7374646Aprioritypatent/RO70321A/ro
Priority to SU1919492Aprioritypatent/SU524522A3/ru
Publication of PL78899B1publicationCriticalpatent/PL78899B1/xx