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 Simek JirifiledCriticalSimek Jiri
Priority to CS858918ApriorityCriticalpatent/CS252778B1/en
Publication of CS891885A1publicationCriticalpatent/CS891885A1/en
Publication of CS252778B1publicationCriticalpatent/CS252778B1/en