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Application filedfiledCritical
Priority to DD16258772ApriorityCriticalpatent/DD100559A1/xx
Priority to HUCE000930prioritypatent/HU167438B/hu
Priority to BG2326773Aprioritypatent/BG20222A1/xx
Priority to RO7374483Aprioritypatent/RO70558A/ro
Priority to SU1916599Aprioritypatent/SU561902A1/ru
Publication of DD100559A1publicationCriticalpatent/DD100559A1/xx