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Application filed by Vladimir Prof Ing Csc Mlynar, Karel Koudelka, Jiri Ing Sonnek, Jindrich SonekfiledCriticalVladimir Prof Ing Csc Mlynar
Priority to CS825730ApriorityCriticalpatent/CS239515B1/en
Publication of CS573082A1publicationCriticalpatent/CS573082A1/en
Publication of CS239515B1publicationCriticalpatent/CS239515B1/en