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 filed by Trojan MiroslavfiledCriticalTrojan Miroslav
Priority to CS87189ApriorityCriticalpatent/CS257741B1/cs
Publication of CS18987A1publicationCriticalpatent/CS18987A1/cs
Publication of CS257741B1publicationCriticalpatent/CS257741B1/cs