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Application filed by Antonin Ing Hornoch, Krs Frantisek, Radomira Ing KucerovafiledCriticalAntonin Ing Hornoch
Priority to CS864872ApriorityCriticalpatent/CS261466B1/en
Publication of CS487286A1publicationCriticalpatent/CS487286A1/en
Publication of CS261466B1publicationCriticalpatent/CS261466B1/en