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Application filed by Michal Strecansky, Ludmila KusovskafiledCriticalMichal Strecansky
Priority to CS843586ApriorityCriticalpatent/CS245318B1/en
Publication of CS358684A1publicationCriticalpatent/CS358684A1/en
Publication of CS245318B1publicationCriticalpatent/CS245318B1/en