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Application filed by Vaclav Dr Ing Drsc Cerny, Miroslav Ing Csc Kaminek, Miroslav Ing StrnadfiledCriticalVaclav Dr Ing Drsc Cerny
Priority to CS847437ApriorityCriticalpatent/CS242122B1/cs
Publication of CS743784A1publicationCriticalpatent/CS743784A1/cs
Publication of CS242122B1publicationCriticalpatent/CS242122B1/cs