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 Karel Ing Sramhauser, Zdenek Ing Vosta, Jaroslav Ing Csc Fator, Pavel Mikes, Jaromir Thyn, Jaromir Vicenik, Vlastimil Ing HavranekfiledCriticalKarel Ing Sramhauser
Priority to CS904696ApriorityCriticalpatent/CS469690A3/en
Publication of CS469690A3publicationCriticalpatent/CS469690A3/en