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 Pavel Ing Csc Engst, Milan Rndr Csc Horak, Zdenek Ing Zelinger, Marie Rndr Csc Jakoubkova, Zlata Prom Chem Papouskova, Jiri Holinka, Oldrich Lauer, Vaclav PacakfiledCriticalPavel Ing Csc Engst
Priority to CS883489ApriorityCriticalpatent/CS270720B1/en
Publication of CS348988A1publicationCriticalpatent/CS348988A1/en
Publication of CS270720B1publicationCriticalpatent/CS270720B1/en