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Application filed by Vojtech Ing Klecatsky, Alfred Ctviertka, Jaroslav CiharfiledCriticalVojtech Ing Klecatsky
Priority to CS858882ApriorityCriticalpatent/CS256464B1/en
Publication of CS888285A1publicationCriticalpatent/CS888285A1/en
Publication of CS256464B1publicationCriticalpatent/CS256464B1/en