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Application filed by Lubomir Ing Fiedler, Vojtech Prom Fyz NovotnyfiledCriticalLubomir Ing Fiedler
Priority to CS859174ApriorityCriticalpatent/CS256262B1/en
Publication of CS917485A1publicationCriticalpatent/CS917485A1/en
Publication of CS256262B1publicationCriticalpatent/CS256262B1/en