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 Ciernik Jan, Spousta EduardfiledCriticalCiernik Jan
Priority to CS825811ApriorityCriticalpatent/CS231085B1/en
Publication of CS581182A1publicationCriticalpatent/CS581182A1/en
Priority to CS592584Aprioritypatent/CS239793B3/en
Publication of CS231085B1publicationCriticalpatent/CS231085B1/en