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 Zdenek Ing Csc Fleischman, Frantisek Ing Koutecky, Vladimir ZaborecfiledCriticalZdenek Ing Csc Fleischman
Priority to CS86630ApriorityCriticalpatent/CS259315B1/cs
Publication of CS63086A1publicationCriticalpatent/CS63086A1/cs
Publication of CS259315B1publicationCriticalpatent/CS259315B1/cs