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Application filed by Jozef Ing Veiser, Jan Ing Csc Cepel, Juraj Ing HornakfiledCriticalJozef Ing Veiser
Priority to CS878504ApriorityCriticalpatent/CS264741B1/en
Publication of CS850487A1publicationCriticalpatent/CS850487A1/en
Publication of CS264741B1publicationCriticalpatent/CS264741B1/en