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Application filed by Oldrich Ing Csci Svajgl, Jindrich Dipl Tech Matejka, Oldrich SojkafiledCriticalOldrich Ing Csci Svajgl
Priority to CS856411ApriorityCriticalpatent/CS254386B1/en
Publication of CS641185A1publicationCriticalpatent/CS641185A1/en
Publication of CS254386B1publicationCriticalpatent/CS254386B1/en