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Application filed by Dobrovolny Jan, Milic Dr Ing Pokorny, Jiri Ing TichyfiledCriticalDobrovolny Jan
Priority to CS84927ApriorityCriticalpatent/CS240795B1/en
Publication of CS92784A1publicationCriticalpatent/CS92784A1/en
Publication of CS240795B1publicationCriticalpatent/CS240795B1/en