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Application filed by Rudolf Ing Funk, Juraj Ing KollarikfiledCriticalRudolf Ing Funk
Priority to CS874477ApriorityCriticalpatent/CS261660B1/en
Publication of CS447787A1publicationCriticalpatent/CS447787A1/en
Publication of CS261660B1publicationCriticalpatent/CS261660B1/en