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Application filed by Tadeas Ing Cienciala, Cieslar Oldrich, Augustin Kavulok, Petr CiencialafiledCriticalTadeas Ing Cienciala
Priority to CS869104ApriorityCriticalpatent/CS258791B1/cs
Publication of CS910486A1publicationCriticalpatent/CS910486A1/cs
Publication of CS258791B1publicationCriticalpatent/CS258791B1/cs