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 CS66771ApriorityCriticalpatent/CS149398B1/cs
Priority to BG1959372Aprioritypatent/BG18560A1/xx
Priority to DD16056072Aprioritypatent/DD96614A1/xx
Priority to HUVI000844prioritypatent/HU163065B/hu
Priority to SU1747113Aprioritypatent/SU479122A1/ru
Publication of CS149398B1publicationCriticalpatent/CS149398B1/cs