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Application filed by Frantisek Ing Cermak, Zdenek Ing Csc Krivsky, Vlastimil Ing Csc Bartel, Lukes Jaroslav, Vladimir Ing Csc Veverka, Forejt AntoninfiledCriticalFrantisek Ing Cermak
Priority to CS873705ApriorityCriticalpatent/CS263537B1/en
Publication of CS370587A1publicationCriticalpatent/CS370587A1/en
Publication of CS263537B1publicationCriticalpatent/CS263537B1/en