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Application filed by Vojtech Babinsky, Karel Ing Csc Buhr, Ivo Hromadko, Vladimir Holejsovsky, Josef SmetanafiledCriticalVojtech Babinsky
Priority to CS871866ApriorityCriticalpatent/CS262131B1/en
Publication of CS186687A1publicationCriticalpatent/CS186687A1/en
Publication of CS262131B1publicationCriticalpatent/CS262131B1/en