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 Philipp PremyslfiledCriticalPhilipp Premysl
Priority to CS867670ApriorityCriticalpatent/CS267255B1/cs
Publication of CS767086A1publicationCriticalpatent/CS767086A1/cs
Publication of CS267255B1publicationCriticalpatent/CS267255B1/cs