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Application filed by Petrtyl Miroslav, Pavlansky Rudolf, Slavik MiroslavfiledCriticalPetrtyl Miroslav
Priority to CS835879ApriorityCriticalpatent/CS232050B1/en
Publication of CS587983A1publicationCriticalpatent/CS587983A1/en
Publication of CS232050B1publicationCriticalpatent/CS232050B1/en