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Application filed by Frantisek Rndr Csc Skvara, Karel Ing Kolar, Zadak Zdenek, Friml ZdenekfiledCriticalFrantisek Rndr Csc Skvara
Priority to CS825954ApriorityCriticalpatent/CS231635B1/en
Publication of CS595482A1publicationCriticalpatent/CS595482A1/en
Publication of CS231635B1publicationCriticalpatent/CS231635B1/en