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 Sehnal, Josef Hadrava, Jiri ChovanecfiledCriticalMiroslav Sehnal
Priority to CS43177ApriorityCriticalpatent/CS184732B1/cs
Publication of CS184732B1publicationCriticalpatent/CS184732B1/cs