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 Vratislav Bohm, Zdenek Ing RehakfiledCriticalVratislav Bohm
Priority to CS593389ApriorityCriticalpatent/CS274874B2/en
Publication of CS593389A2publicationCriticalpatent/CS593389A2/en
Publication of CS274874B2publicationCriticalpatent/CS274874B2/en