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Application filed by Stefan Holakovsky, Helena Ing HolakovskafiledCriticalStefan Holakovsky
Priority to CS816855ApriorityCriticalpatent/CS244951B1/en
Publication of CS685581A1publicationCriticalpatent/CS685581A1/en
Publication of CS244951B1publicationCriticalpatent/CS244951B1/en