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 DD16529272ApriorityCriticalpatent/DD102682A1/xx
Priority to HUFA000947prioritypatent/HU169689B/hu
Priority to CS554473Aprioritypatent/CS173637B2/cs
Priority to BG2436273Aprioritypatent/BG20178A1/xx
Priority to YU229473Aprioritypatent/YU229473A/xx
Publication of DD102682A1publicationCriticalpatent/DD102682A1/xx