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Application filed by Karel Svoboda, Dusan Ing Mikolaj, Vlastislav Ing Csc Kvarda, Stefan Ing Baculak, Jan Ing Havran, Jozef Ing Licko, Vaclav Jascur, Jozef NovorolnikfiledCriticalKarel Svoboda
Priority to CS877593ApriorityCriticalpatent/CS270138B1/en
Publication of CS759387A1publicationCriticalpatent/CS759387A1/en
Publication of CS270138B1publicationCriticalpatent/CS270138B1/en