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Application filed by Vaclav Horak, Vaclav Spacek, Frantisek Rajecky, Vaclav Bumbalek, Karel Cermak, Stefan Kalafut, Stefan Bajkay, Alexej Faix, Frantisek Hodosi, Rudolf WachterfiledCriticalVaclav Horak
Priority to CS918374ApriorityCriticalpatent/CS192026B1/en
Publication of CS192026B1publicationCriticalpatent/CS192026B1/en