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 PL15507872ApriorityCriticalpatent/PL78903B1/xx
Priority to DD17049373Aprioritypatent/DD104077A5/xx
Priority to SU1917216Aprioritypatent/SU525432A3/ru
Priority to RO7374647Aprioritypatent/RO71432A/ro
Priority to HUII000145prioritypatent/HU166425B/hu
Publication of PL78903B1publicationCriticalpatent/PL78903B1/xx