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Application filed by Bodik Rudolf, Karol Ing Spontak, Oskar Ing WinklerfiledCriticalBodik Rudolf
Priority to CS859838ApriorityCriticalpatent/CS257833B1/en
Publication of CS983885A1publicationCriticalpatent/CS983885A1/en
Publication of CS257833B1publicationCriticalpatent/CS257833B1/en