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 Broz, Jiri Ing JandafiledCriticalZdenek Ing Broz
Priority to CS861047ApriorityCriticalpatent/CS254840B1/en
Publication of CS104786A1publicationCriticalpatent/CS104786A1/en
Publication of CS254840B1publicationCriticalpatent/CS254840B1/en