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 Zdenek Dolejs, Miroslav KudrnovskyfiledCriticalZdenek Dolejs
Priority to CS127582ApriorityCriticalpatent/CS222542B1/cs
Publication of CS222542B1publicationCriticalpatent/CS222542B1/cs