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Application filed by Frantisek Ing Csc Komora, Ferdinand JavorskyfiledCriticalFrantisek Ing Csc Komora
Priority to CS843038ApriorityCriticalpatent/CS240456B1/en
Publication of CS303884A1publicationCriticalpatent/CS303884A1/en
Publication of CS240456B1publicationCriticalpatent/CS240456B1/en