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Application filed by Dusan Doc Ing Csc TrstenskyfiledCriticalDusan Doc Ing Csc Trstensky
Priority to CS852388ApriorityCriticalpatent/CS260160B1/en
Publication of CS238885A1publicationCriticalpatent/CS238885A1/en
Publication of CS260160B1publicationCriticalpatent/CS260160B1/en