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 Danicek, Jozef Ing Skalicky, Knap Frantisek Ing KanpfiledCriticalZdenek Danicek
Priority to CS861437ApriorityCriticalpatent/CS256280B1/cs
Publication of CS143786A1publicationCriticalpatent/CS143786A1/cs
Publication of CS256280B1publicationCriticalpatent/CS256280B1/cs