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Application filed by Frantisek Ing Szulenyi, Milon Ing Micka, Macho Vendelin, Edmund Ing Szolnoki, Stefan Ing BocevfiledCriticalFrantisek Ing Szulenyi
Priority to CS88922ApriorityCriticalpatent/CS269533B1/cs
Publication of CS92288A1publicationCriticalpatent/CS92288A1/cs
Publication of CS269533B1publicationCriticalpatent/CS269533B1/cs