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Application filed by Jan Ing Macho, Matas Michal, Rudolf Ing Csc Sebik, Jozef Ing Csc Prokes, Mikulec Jozef, Marta Ing BadalovafiledCriticalJan Ing Macho
Priority to CS842597ApriorityCriticalpatent/CS240454B1/en
Publication of CS259784A1publicationCriticalpatent/CS259784A1/en
Publication of CS240454B1publicationCriticalpatent/CS240454B1/en