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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 CS86983ApriorityCriticalpatent/CS253419B1/en
Publication of CS98386A1publicationCriticalpatent/CS98386A1/en
Publication of CS253419B1publicationCriticalpatent/CS253419B1/en