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 Miroslav Gazdos, Jan Skrenek, 149191filedCriticalMiroslav Gazdos
Priority to CS84737ApriorityCriticalpatent/CS239721B1/cs
Publication of CS73784A1publicationCriticalpatent/CS73784A1/cs
Publication of CS239721B1publicationCriticalpatent/CS239721B1/cs