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Application filed by Antonin Ing Luftner, Julius Dipl Tech Jelsa, Ferdinand Ing Flandera, Karel Ing Csc Matejovic, Vojtech Ing NovotnyfiledCriticalAntonin Ing Luftner
Priority to CS873528ApriorityCriticalpatent/CS263911B1/en
Publication of CS352887A1publicationCriticalpatent/CS352887A1/en
Publication of CS263911B1publicationCriticalpatent/CS263911B1/en