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 Vladimir HolpuchfiledCriticalVladimir Holpuch
Priority to CS849518ApriorityCriticalpatent/CS253215B1/cs
Publication of CS951884A1publicationCriticalpatent/CS951884A1/cs
Publication of CS253215B1publicationCriticalpatent/CS253215B1/cs