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Application filed by Ladislav Mueller, Josef Ing SkalickyfiledCriticalLadislav Mueller
Priority to CS854582ApriorityCriticalpatent/CS260915B1/en
Priority to DD29117786Aprioritypatent/DD271228A3/en
Priority to YU107886Aprioritypatent/YU107886A/en
Publication of CS458285A1publicationCriticalpatent/CS458285A1/en
Publication of CS260915B1publicationCriticalpatent/CS260915B1/en