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 Obalil JirifiledCriticalObalil Jiri
Priority to CS874007ApriorityCriticalpatent/CS272186B1/en
Publication of CS400787A1publicationCriticalpatent/CS400787A1/en
Publication of CS272186B1publicationCriticalpatent/CS272186B1/en