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Application filed by Josef Drazsky, Jindrich Tomek, Ondrej Ing Krivanka, Jiri Janda, Dagmar Litvinov Vlckova, Fuchs PetrfiledCriticalJosef Drazsky
Priority to CS862590ApriorityCriticalpatent/CS255568B1/en
Publication of CS427485A1publicationCriticalpatent/CS427485A1/en
Publication of CS255568B1publicationCriticalpatent/CS255568B1/en