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 Lubomir Fuxa, Vilem Horak, Leopold BartosfiledCriticalLubomir Fuxa
Priority to CS424277ApriorityCriticalpatent/CS188053B1/cs
Publication of CS188053B1publicationCriticalpatent/CS188053B1/cs