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Application filed by Pavol Doc Ing Csc Kabina, Dusan Ing Csc Huska, Peter Ing Klepanec, Kulka Michal, Juraj Ing Konc, Jozef Ing BrathfiledCriticalPavol Doc Ing Csc Kabina
Priority to CS852933ApriorityCriticalpatent/CS251974B1/en
Priority to CS86983Aprioritypatent/CS253419B1/en
Publication of CS293385A1publicationCriticalpatent/CS293385A1/en
Publication of CS251974B1publicationCriticalpatent/CS251974B1/en