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 Kubie Ivan, Vaclav Ing Adamek, Ctirad Ing PavlufiledCriticalKubie Ivan
Priority to CS868691ApriorityCriticalpatent/CS259844B1/en
Publication of CS869186A1publicationCriticalpatent/CS869186A1/en
Publication of CS259844B1publicationCriticalpatent/CS259844B1/en