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.)
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Publication date
Priority to CS827889ApriorityCriticalpatent/CS226467B1/en
Application filed by Kotrbaty Jiri, Bar JoseffiledCriticalKotrbaty Jiri
Priority to CS867006Aprioritypatent/CS261565B3/en
Publication of CS700686A1publicationCriticalpatent/CS700686A1/en
Publication of CS261565B3publicationCriticalpatent/CS261565B3/en