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 Peter Ing Koval, Hladky Milos, Jaroslav Orsulak, Zelina PavolfiledCriticalPeter Ing Koval
Priority to CS338988ApriorityCriticalpatent/CS277425B6/en
Publication of CS8803389A1publicationCriticalpatent/CS8803389A1/en
Publication of CS277425B6publicationCriticalpatent/CS277425B6/en