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 Otys VaclavfiledCriticalOtys Vaclav
Priority to CS146889ApriorityCriticalpatent/CS275435B2/en
Publication of CS8901468A1publicationCriticalpatent/CS8901468A1/en
Publication of CS275435B2publicationCriticalpatent/CS275435B2/en