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 Ivan Benus, Stanislav TinkafiledCriticalIvan Benus
Priority to CS631576ApriorityCriticalpatent/CS184240B1/cs
Publication of CS184240B1publicationCriticalpatent/CS184240B1/cs